Home / 20,655,006.30-30,982,509.45-18,600,101.10

Finding the Fourth Proportional to 20,655,006.30, 30,982,509.45 and 18,600,101.10

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Solution

The fourth proportional to 20,655,006.30, 30,982,509.45 and 18,600,101.10 is: 27,900,151.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,655,006.30 : 30,982,509.45 = 18,600,101.10 : x
  2. Step 2: Convert to fraction form
    20,655,006.30/30,982,509.45 = 18,600,101.10/x
  3. Step 3: Cross multiply
    20,655,006.30x = 30,982,509.45 × 18,600,101.10
  4. Step 4: Simplify right side
    20,655,006.30x = 576,277,808,101,705.38
  5. Step 5: Solve for x
    x = 576,277,808,101,705.38/20,655,006.30
  6. Step 6: Final answer
    x = 27,900,151.65

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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.