Home / 19,708,266.90-29,542,279.95-13,319,165.10

Finding the Fourth Proportional to 19,708,266.90, 29,542,279.95 and 13,319,165.10

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Solution

The fourth proportional to 19,708,266.90, 29,542,279.95 and 13,319,165.10 is: 19,965,149.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708,266.90 : 29,542,279.95 = 13,319,165.10 : x
  2. Step 2: Convert to fraction form
    19,708,266.90/29,542,279.95 = 13,319,165.10/x
  3. Step 3: Cross multiply
    19,708,266.90x = 29,542,279.95 × 13,319,165.10
  4. Step 4: Simplify right side
    19,708,266.90x = 393,478,504,084,469.75
  5. Step 5: Solve for x
    x = 393,478,504,084,469.75/19,708,266.90
  6. Step 6: Final answer
    x = 19,965,149.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.