Home / 39,420,431.82-59,130,793.20-12,126,535.56

Finding the Fourth Proportional to 39,420,431.82, 59,130,793.20 and 12,126,535.56

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Solution

The fourth proportional to 39,420,431.82, 59,130,793.20 and 12,126,535.56 is: 18,189,848.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,420,431.82 : 59,130,793.20 = 12,126,535.56 : x
  2. Step 2: Convert to fraction form
    39,420,431.82/59,130,793.20 = 12,126,535.56/x
  3. Step 3: Cross multiply
    39,420,431.82x = 59,130,793.20 × 12,126,535.56
  4. Step 4: Simplify right side
    39,420,431.82x = 717,051,666,430,806.25
  5. Step 5: Solve for x
    x = 717,051,666,430,806.25/39,420,431.82
  6. Step 6: Final answer
    x = 18,189,848.09

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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.