Home / 29,138,940.30-43,720,657.65-15,660,021.90

Finding the Fourth Proportional to 29,138,940.30, 43,720,657.65 and 15,660,021.90

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Solution

The fourth proportional to 29,138,940.30, 43,720,657.65 and 15,660,021.90 is: 23,496,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,138,940.30 : 43,720,657.65 = 15,660,021.90 : x
  2. Step 2: Convert to fraction form
    29,138,940.30/43,720,657.65 = 15,660,021.90/x
  3. Step 3: Cross multiply
    29,138,940.30x = 43,720,657.65 × 15,660,021.90
  4. Step 4: Simplify right side
    29,138,940.30x = 684,666,456,281,402.50
  5. Step 5: Solve for x
    x = 684,666,456,281,402.50/29,138,940.30
  6. Step 6: Final answer
    x = 23,496,614.81

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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.