Home / 25,782,164.60-38,672,685.11-12,127,742.55

Finding the Fourth Proportional to 25,782,164.60, 38,672,685.11 and 12,127,742.55

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Solution

The fourth proportional to 25,782,164.60, 38,672,685.11 and 12,127,742.55 is: 18,191,349.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,164.60 : 38,672,685.11 = 12,127,742.55 : x
  2. Step 2: Convert to fraction form
    25,782,164.60/38,672,685.11 = 12,127,742.55/x
  3. Step 3: Cross multiply
    25,782,164.60x = 38,672,685.11 × 12,127,742.55
  4. Step 4: Simplify right side
    25,782,164.60x = 469,012,368,731,298.44
  5. Step 5: Solve for x
    x = 469,012,368,731,298.44/25,782,164.60
  6. Step 6: Final answer
    x = 18,191,349.56

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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.