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Finding the Fourth Proportional to 9,999,373.67, 14,995,964.86 and 3,608,817.11

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Solution

The fourth proportional to 9,999,373.67, 14,995,964.86 and 3,608,817.11 is: 5,412,108.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,999,373.67 : 14,995,964.86 = 3,608,817.11 : x
  2. Step 2: Convert to fraction form
    9,999,373.67/14,995,964.86 = 3,608,817.11/x
  3. Step 3: Cross multiply
    9,999,373.67x = 14,995,964.86 × 3,608,817.11
  4. Step 4: Simplify right side
    9,999,373.67x = 54,117,694,567,726.75
  5. Step 5: Solve for x
    x = 54,117,694,567,726.75/9,999,373.67
  6. Step 6: Final answer
    x = 5,412,108.43

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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.