Home / 7,381,520.30-11,072,280.45-6,354,067.70

Finding the Fourth Proportional to 7,381,520.30, 11,072,280.45 and 6,354,067.70

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Solution

The fourth proportional to 7,381,520.30, 11,072,280.45 and 6,354,067.70 is: 9,531,101.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381,520.30 : 11,072,280.45 = 6,354,067.70 : x
  2. Step 2: Convert to fraction form
    7,381,520.30/11,072,280.45 = 6,354,067.70/x
  3. Step 3: Cross multiply
    7,381,520.30x = 11,072,280.45 × 6,354,067.70
  4. Step 4: Simplify right side
    7,381,520.30x = 70,354,019,572,686.46
  5. Step 5: Solve for x
    x = 70,354,019,572,686.46/7,381,520.30
  6. Step 6: Final answer
    x = 9,531,101.55

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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.