Home / 25,782,165.10-38,672,685.85-12,127,743.06

Finding the Fourth Proportional to 25,782,165.10, 38,672,685.85 and 12,127,743.06

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Solution

The fourth proportional to 25,782,165.10, 38,672,685.85 and 12,127,743.06 is: 18,191,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,165.10 : 38,672,685.85 = 12,127,743.06 : x
  2. Step 2: Convert to fraction form
    25,782,165.10/38,672,685.85 = 12,127,743.06/x
  3. Step 3: Cross multiply
    25,782,165.10x = 38,672,685.85 × 12,127,743.06
  4. Step 4: Simplify right side
    25,782,165.10x = 469,012,397,428,897.75
  5. Step 5: Solve for x
    x = 469,012,397,428,897.75/25,782,165.10
  6. Step 6: Final answer
    x = 18,191,350.32

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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.