Home / 21,323,163.60-31,984,839.09-6,750,154.71

Finding the Fourth Proportional to 21,323,163.60, 31,984,839.09 and 6,750,154.71

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Solution

The fourth proportional to 21,323,163.60, 31,984,839.09 and 6,750,154.71 is: 10,125,261.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,323,163.60 : 31,984,839.09 = 6,750,154.71 : x
  2. Step 2: Convert to fraction form
    21,323,163.60/31,984,839.09 = 6,750,154.71/x
  3. Step 3: Cross multiply
    21,323,163.60x = 31,984,839.09 × 6,750,154.71
  4. Step 4: Simplify right side
    21,323,163.60x = 215,902,612,231,955.62
  5. Step 5: Solve for x
    x = 215,902,612,231,955.62/21,323,163.60
  6. Step 6: Final answer
    x = 10,125,261.72

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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.