Home / 21,406,869.28-29,541,695.88-11,617,398.01

Finding the Fourth Proportional to 21,406,869.28, 29,541,695.88 and 11,617,398.01

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Solution

The fourth proportional to 21,406,869.28, 29,541,695.88 and 11,617,398.01 is: 16,032,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406,869.28 : 29,541,695.88 = 11,617,398.01 : x
  2. Step 2: Convert to fraction form
    21,406,869.28/29,541,695.88 = 11,617,398.01/x
  3. Step 3: Cross multiply
    21,406,869.28x = 29,541,695.88 × 11,617,398.01
  4. Step 4: Simplify right side
    21,406,869.28x = 343,197,638,928,337.19
  5. Step 5: Solve for x
    x = 343,197,638,928,337.19/21,406,869.28
  6. Step 6: Final answer
    x = 16,032,126.62

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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.