Home / 40,440,068.70-60,660,103.05-11,687,142.30

Finding the Fourth Proportional to 40,440,068.70, 60,660,103.05 and 11,687,142.30

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Solution

The fourth proportional to 40,440,068.70, 60,660,103.05 and 11,687,142.30 is: 17,530,713.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440,068.70 : 60,660,103.05 = 11,687,142.30 : x
  2. Step 2: Convert to fraction form
    40,440,068.70/60,660,103.05 = 11,687,142.30/x
  3. Step 3: Cross multiply
    40,440,068.70x = 60,660,103.05 × 11,687,142.30
  4. Step 4: Simplify right side
    40,440,068.70x = 708,943,256,278,014
  5. Step 5: Solve for x
    x = 708,943,256,278,014/40,440,068.70
  6. Step 6: Final answer
    x = 17,530,713.45

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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.