Home / 40,440,071.70-60,660,107.55-11,687,145.30

Finding the Fourth Proportional to 40,440,071.70, 60,660,107.55 and 11,687,145.30

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Solution

The fourth proportional to 40,440,071.70, 60,660,107.55 and 11,687,145.30 is: 17,530,717.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,440,071.70 : 60,660,107.55 = 11,687,145.30 : x
  2. Step 2: Convert to fraction form
    40,440,071.70/60,660,107.55 = 11,687,145.30/x
  3. Step 3: Cross multiply
    40,440,071.70x = 60,660,107.55 × 11,687,145.30
  4. Step 4: Simplify right side
    40,440,071.70x = 708,943,490,850,477
  5. Step 5: Solve for x
    x = 708,943,490,850,477/40,440,071.70
  6. Step 6: Final answer
    x = 17,530,717.95

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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.