Home / 9,966,588.20-14,949,882.30-5,661,916.10

Finding the Fourth Proportional to 9,966,588.20, 14,949,882.30 and 5,661,916.10

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Solution

The fourth proportional to 9,966,588.20, 14,949,882.30 and 5,661,916.10 is: 8,492,874.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966,588.20 : 14,949,882.30 = 5,661,916.10 : x
  2. Step 2: Convert to fraction form
    9,966,588.20/14,949,882.30 = 5,661,916.10/x
  3. Step 3: Cross multiply
    9,966,588.20x = 14,949,882.30 × 5,661,916.10
  4. Step 4: Simplify right side
    9,966,588.20x = 84,644,979,287,475.03
  5. Step 5: Solve for x
    x = 84,644,979,287,475.03/9,966,588.20
  6. Step 6: Final answer
    x = 8,492,874.15

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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.