Home / 10,442,997.18-15,667,702.29-4,985,056.80

Finding the Fourth Proportional to 10,442,997.18, 15,667,702.29 and 4,985,056.80

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Solution

The fourth proportional to 10,442,997.18, 15,667,702.29 and 4,985,056.80 is: 7,479,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,442,997.18 : 15,667,702.29 = 4,985,056.80 : x
  2. Step 2: Convert to fraction form
    10,442,997.18/15,667,702.29 = 4,985,056.80/x
  3. Step 3: Cross multiply
    10,442,997.18x = 15,667,702.29 × 4,985,056.80
  4. Step 4: Simplify right side
    10,442,997.18x = 78,104,385,841,140.06
  5. Step 5: Solve for x
    x = 78,104,385,841,140.06/10,442,997.18
  6. Step 6: Final answer
    x = 7,479,115.86

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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.