Home / 21,375,727.24-29,501,655.42-13,535,955.27

Finding the Fourth Proportional to 21,375,727.24, 29,501,655.42 and 13,535,955.27

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Solution

The fourth proportional to 21,375,727.24, 29,501,655.42 and 13,535,955.27 is: 18,681,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,375,727.24 : 29,501,655.42 = 13,535,955.27 : x
  2. Step 2: Convert to fraction form
    21,375,727.24/29,501,655.42 = 13,535,955.27/x
  3. Step 3: Cross multiply
    21,375,727.24x = 29,501,655.42 × 13,535,955.27
  4. Step 4: Simplify right side
    21,375,727.24x = 399,333,088,265,545.19
  5. Step 5: Solve for x
    x = 399,333,088,265,545.19/21,375,727.24
  6. Step 6: Final answer
    x = 18,681,614.14

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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.