Home / 37,432,115.80-56,166,836.10-21,270,477.40

Finding the Fourth Proportional to 37,432,115.80, 56,166,836.10 and 21,270,477.40

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Solution

The fourth proportional to 37,432,115.80, 56,166,836.10 and 21,270,477.40 is: 31,916,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,432,115.80 : 56,166,836.10 = 21,270,477.40 : x
  2. Step 2: Convert to fraction form
    37,432,115.80/56,166,836.10 = 21,270,477.40/x
  3. Step 3: Cross multiply
    37,432,115.80x = 56,166,836.10 × 21,270,477.40
  4. Step 4: Simplify right side
    37,432,115.80x = 1,194,695,417,894,554
  5. Step 5: Solve for x
    x = 1,194,695,417,894,554/37,432,115.80
  6. Step 6: Final answer
    x = 31,916,320.85

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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.