Home / 21,406,864.28-29,541,688.98-11,617,393.01

Finding the Fourth Proportional to 21,406,864.28, 29,541,688.98 and 11,617,393.01

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Solution

The fourth proportional to 21,406,864.28, 29,541,688.98 and 11,617,393.01 is: 16,032,119.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,406,864.28 : 29,541,688.98 = 11,617,393.01 : x
  2. Step 2: Convert to fraction form
    21,406,864.28/29,541,688.98 = 11,617,393.01/x
  3. Step 3: Cross multiply
    21,406,864.28x = 29,541,688.98 × 11,617,393.01
  4. Step 4: Simplify right side
    21,406,864.28x = 343,197,411,059,846
  5. Step 5: Solve for x
    x = 343,197,411,059,846/21,406,864.28
  6. Step 6: Final answer
    x = 16,032,119.72

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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.