Home / 9,328,814.88-12,869,366.04-5,458,962.12

Finding the Fourth Proportional to 9,328,814.88, 12,869,366.04 and 5,458,962.12

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Solution

The fourth proportional to 9,328,814.88, 12,869,366.04 and 5,458,962.12 is: 7,530,793.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328,814.88 : 12,869,366.04 = 5,458,962.12 : x
  2. Step 2: Convert to fraction form
    9,328,814.88/12,869,366.04 = 5,458,962.12/x
  3. Step 3: Cross multiply
    9,328,814.88x = 12,869,366.04 × 5,458,962.12
  4. Step 4: Simplify right side
    9,328,814.88x = 70,253,381,720,774.40
  5. Step 5: Solve for x
    x = 70,253,381,720,774.40/9,328,814.88
  6. Step 6: Final answer
    x = 7,530,793.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.