Home / 21,034,956-29,028,242.16-11,377,164

Finding the Fourth Proportional to 21,034,956, 29,028,242.16 and 11,377,164

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Solution

The fourth proportional to 21,034,956, 29,028,242.16 and 11,377,164 is: 15,700,487.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034,956 : 29,028,242.16 = 11,377,164 : x
  2. Step 2: Convert to fraction form
    21,034,956/29,028,242.16 = 11,377,164/x
  3. Step 3: Cross multiply
    21,034,956x = 29,028,242.16 × 11,377,164
  4. Step 4: Simplify right side
    21,034,956x = 330,259,071,686,034.25
  5. Step 5: Solve for x
    x = 330,259,071,686,034.25/21,034,956
  6. Step 6: Final answer
    x = 15,700,487.88

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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.