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Finding the Fourth Proportional to 9,662,876.84, 14,493,936.98 and 3,273,129.20

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Solution

The fourth proportional to 9,662,876.84, 14,493,936.98 and 3,273,129.20 is: 4,909,565.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,662,876.84 : 14,493,936.98 = 3,273,129.20 : x
  2. Step 2: Convert to fraction form
    9,662,876.84/14,493,936.98 = 3,273,129.20/x
  3. Step 3: Cross multiply
    9,662,876.84x = 14,493,936.98 × 3,273,129.20
  4. Step 4: Simplify right side
    9,662,876.84x = 47,440,528,287,910.95
  5. Step 5: Solve for x
    x = 47,440,528,287,910.95/9,662,876.84
  6. Step 6: Final answer
    x = 4,909,565.66

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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.