Home / 20,013,904.55-30,023,286.02-5,636,972.36

Finding the Fourth Proportional to 20,013,904.55, 30,023,286.02 and 5,636,972.36

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Solution

The fourth proportional to 20,013,904.55, 30,023,286.02 and 5,636,972.36 is: 8,456,142.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,013,904.55 : 30,023,286.02 = 5,636,972.36 : x
  2. Step 2: Convert to fraction form
    20,013,904.55/30,023,286.02 = 5,636,972.36/x
  3. Step 3: Cross multiply
    20,013,904.55x = 30,023,286.02 × 5,636,972.36
  4. Step 4: Simplify right side
    20,013,904.55x = 169,240,433,272,813.12
  5. Step 5: Solve for x
    x = 169,240,433,272,813.12/20,013,904.55
  6. Step 6: Final answer
    x = 8,456,142.72

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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.