Home / 14,115,425.40-21,173,138.10-10,922,842.80

Finding the Fourth Proportional to 14,115,425.40, 21,173,138.10 and 10,922,842.80

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Solution

The fourth proportional to 14,115,425.40, 21,173,138.10 and 10,922,842.80 is: 16,384,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,115,425.40 : 21,173,138.10 = 10,922,842.80 : x
  2. Step 2: Convert to fraction form
    14,115,425.40/21,173,138.10 = 10,922,842.80/x
  3. Step 3: Cross multiply
    14,115,425.40x = 21,173,138.10 × 10,922,842.80
  4. Step 4: Simplify right side
    14,115,425.40x = 231,270,859,048,990.72
  5. Step 5: Solve for x
    x = 231,270,859,048,990.72/14,115,425.40
  6. Step 6: Final answer
    x = 16,384,264.20

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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.