Home / 21,514,279.55-29,688,839.60-11,724,513.55

Finding the Fourth Proportional to 21,514,279.55, 29,688,839.60 and 11,724,513.55

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Solution

The fourth proportional to 21,514,279.55, 29,688,839.60 and 11,724,513.55 is: 16,179,356.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,514,279.55 : 29,688,839.60 = 11,724,513.55 : x
  2. Step 2: Convert to fraction form
    21,514,279.55/29,688,839.60 = 11,724,513.55/x
  3. Step 3: Cross multiply
    21,514,279.55x = 29,688,839.60 × 11,724,513.55
  4. Step 4: Simplify right side
    21,514,279.55x = 348,087,202,041,131.88
  5. Step 5: Solve for x
    x = 348,087,202,041,131.88/21,514,279.55
  6. Step 6: Final answer
    x = 16,179,356.66

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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.