Home / 13,765,008.38-18,995,711.56-7,653,436.88

Finding the Fourth Proportional to 13,765,008.38, 18,995,711.56 and 7,653,436.88

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Solution

The fourth proportional to 13,765,008.38, 18,995,711.56 and 7,653,436.88 is: 10,561,742.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,765,008.38 : 18,995,711.56 = 7,653,436.88 : x
  2. Step 2: Convert to fraction form
    13,765,008.38/18,995,711.56 = 7,653,436.88/x
  3. Step 3: Cross multiply
    13,765,008.38x = 18,995,711.56 × 7,653,436.88
  4. Step 4: Simplify right side
    13,765,008.38x = 145,382,479,301,034.19
  5. Step 5: Solve for x
    x = 145,382,479,301,034.19/13,765,008.38
  6. Step 6: Final answer
    x = 10,561,742.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.