Home / 25,782,165.60-38,672,686.60-12,127,743.56

Finding the Fourth Proportional to 25,782,165.60, 38,672,686.60 and 12,127,743.56

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Solution

The fourth proportional to 25,782,165.60, 38,672,686.60 and 12,127,743.56 is: 18,191,351.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,165.60 : 38,672,686.60 = 12,127,743.56 : x
  2. Step 2: Convert to fraction form
    25,782,165.60/38,672,686.60 = 12,127,743.56/x
  3. Step 3: Cross multiply
    25,782,165.60x = 38,672,686.60 × 12,127,743.56
  4. Step 4: Simplify right side
    25,782,165.60x = 469,012,425,861,048.31
  5. Step 5: Solve for x
    x = 469,012,425,861,048.31/25,782,165.60
  6. Step 6: Final answer
    x = 18,191,351.07

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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.