Home / 21,306,769.34-29,403,329.00-11,517,213.69

Finding the Fourth Proportional to 21,306,769.34, 29,403,329.00 and 11,517,213.69

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Solution

The fourth proportional to 21,306,769.34, 29,403,329.00 and 11,517,213.69 is: 15,893,748.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306,769.34 : 29,403,329.00 = 11,517,213.69 : x
  2. Step 2: Convert to fraction form
    21,306,769.34/29,403,329.00 = 11,517,213.69/x
  3. Step 3: Cross multiply
    21,306,769.34x = 29,403,329.00 × 11,517,213.69
  4. Step 4: Simplify right side
    21,306,769.34x = 338,644,423,232,787.94
  5. Step 5: Solve for x
    x = 338,644,423,232,787.94/21,306,769.34
  6. Step 6: Final answer
    x = 15,893,748.03

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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.