Home / 13,732,872.60-20,608,640.10-7,667,592.60

Finding the Fourth Proportional to 13,732,872.60, 20,608,640.10 and 7,667,592.60

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Solution

The fourth proportional to 13,732,872.60, 20,608,640.10 and 7,667,592.60 is: 11,506,598.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732,872.60 : 20,608,640.10 = 7,667,592.60 : x
  2. Step 2: Convert to fraction form
    13,732,872.60/20,608,640.10 = 7,667,592.60/x
  3. Step 3: Cross multiply
    13,732,872.60x = 20,608,640.10 × 7,667,592.60
  4. Step 4: Simplify right side
    13,732,872.60x = 158,018,656,326,823.25
  5. Step 5: Solve for x
    x = 158,018,656,326,823.25/13,732,872.60
  6. Step 6: Final answer
    x = 11,506,598.87

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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.