Home / 25,782,171.15-38,672,694.90-12,127,749.06

Finding the Fourth Proportional to 25,782,171.15, 38,672,694.90 and 12,127,749.06

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Solution

The fourth proportional to 25,782,171.15, 38,672,694.90 and 12,127,749.06 is: 18,191,359.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,782,171.15 : 38,672,694.90 = 12,127,749.06 : x
  2. Step 2: Convert to fraction form
    25,782,171.15/38,672,694.90 = 12,127,749.06/x
  3. Step 3: Cross multiply
    25,782,171.15x = 38,672,694.90 × 12,127,749.06
  4. Step 4: Simplify right side
    25,782,171.15x = 469,012,739,221,141.81
  5. Step 5: Solve for x
    x = 469,012,739,221,141.81/25,782,171.15
  6. Step 6: Final answer
    x = 18,191,359.31

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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.