Home / 21,327,561.04-29,435,553.60-13,072,215.40

Finding the Fourth Proportional to 21,327,561.04, 29,435,553.60 and 13,072,215.40

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Solution

The fourth proportional to 21,327,561.04, 29,435,553.60 and 13,072,215.40 is: 18,041,814.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,327,561.04 : 29,435,553.60 = 13,072,215.40 : x
  2. Step 2: Convert to fraction form
    21,327,561.04/29,435,553.60 = 13,072,215.40/x
  3. Step 3: Cross multiply
    21,327,561.04x = 29,435,553.60 × 13,072,215.40
  4. Step 4: Simplify right side
    21,327,561.04x = 384,787,897,077,445.50
  5. Step 5: Solve for x
    x = 384,787,897,077,445.50/21,327,561.04
  6. Step 6: Final answer
    x = 18,041,814.36

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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.