Home / 17,855,510.40-26,783,265.60-10,689,148.80

Finding the Fourth Proportional to 17,855,510.40, 26,783,265.60 and 10,689,148.80

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Solution

The fourth proportional to 17,855,510.40, 26,783,265.60 and 10,689,148.80 is: 16,033,723.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855,510.40 : 26,783,265.60 = 10,689,148.80 : x
  2. Step 2: Convert to fraction form
    17,855,510.40/26,783,265.60 = 10,689,148.80/x
  3. Step 3: Cross multiply
    17,855,510.40x = 26,783,265.60 × 10,689,148.80
  4. Step 4: Simplify right side
    17,855,510.40x = 286,290,311,348,321.31
  5. Step 5: Solve for x
    x = 286,290,311,348,321.31/17,855,510.40
  6. Step 6: Final answer
    x = 16,033,723.20

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.