Home / 10,890,741.40-16,336,112.10-7,083,611.80

Finding the Fourth Proportional to 10,890,741.40, 16,336,112.10 and 7,083,611.80

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Solution

The fourth proportional to 10,890,741.40, 16,336,112.10 and 7,083,611.80 is: 10,625,417.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890,741.40 : 16,336,112.10 = 7,083,611.80 : x
  2. Step 2: Convert to fraction form
    10,890,741.40/16,336,112.10 = 7,083,611.80/x
  3. Step 3: Cross multiply
    10,890,741.40x = 16,336,112.10 × 7,083,611.80
  4. Step 4: Simplify right side
    10,890,741.40x = 115,718,676,437,682.78
  5. Step 5: Solve for x
    x = 115,718,676,437,682.78/10,890,741.40
  6. Step 6: Final answer
    x = 10,625,417.70

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Double scale
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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.