Home / 18,574,743.40-27,862,115.10-9,965,399.20

Finding the Fourth Proportional to 18,574,743.40, 27,862,115.10 and 9,965,399.20

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Solution

The fourth proportional to 18,574,743.40, 27,862,115.10 and 9,965,399.20 is: 14,948,098.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,574,743.40 : 27,862,115.10 = 9,965,399.20 : x
  2. Step 2: Convert to fraction form
    18,574,743.40/27,862,115.10 = 9,965,399.20/x
  3. Step 3: Cross multiply
    18,574,743.40x = 27,862,115.10 × 9,965,399.20
  4. Step 4: Simplify right side
    18,574,743.40x = 277,657,099,527,847.91
  5. Step 5: Solve for x
    x = 277,657,099,527,847.91/18,574,743.40
  6. Step 6: Final answer
    x = 14,948,098.80

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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.