Home / 30,132,000.30-45,198,000.45-21,062,073.90

Finding the Fourth Proportional to 30,132,000.30, 45,198,000.45 and 21,062,073.90

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Solution

The fourth proportional to 30,132,000.30, 45,198,000.45 and 21,062,073.90 is: 31,593,110.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,132,000.30 : 45,198,000.45 = 21,062,073.90 : x
  2. Step 2: Convert to fraction form
    30,132,000.30/45,198,000.45 = 21,062,073.90/x
  3. Step 3: Cross multiply
    30,132,000.30x = 45,198,000.45 × 21,062,073.90
  4. Step 4: Simplify right side
    30,132,000.30x = 951,963,625,610,133.25
  5. Step 5: Solve for x
    x = 951,963,625,610,133.25/30,132,000.30
  6. Step 6: Final answer
    x = 31,593,110.85

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1.5x scale

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.