Home / 10,657,916.40-15,986,874.60-9,944,079.60

Finding the Fourth Proportional to 10,657,916.40, 15,986,874.60 and 9,944,079.60

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Solution

The fourth proportional to 10,657,916.40, 15,986,874.60 and 9,944,079.60 is: 14,916,119.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,657,916.40 : 15,986,874.60 = 9,944,079.60 : x
  2. Step 2: Convert to fraction form
    10,657,916.40/15,986,874.60 = 9,944,079.60/x
  3. Step 3: Cross multiply
    10,657,916.40x = 15,986,874.60 × 9,944,079.60
  4. Step 4: Simplify right side
    10,657,916.40x = 158,974,753,577,618.16
  5. Step 5: Solve for x
    x = 158,974,753,577,618.16/10,657,916.40
  6. Step 6: Final answer
    x = 14,916,119.40

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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.