Home / 13,815,222.59-20,729,821.35-9,207,353.12

Finding the Fourth Proportional to 13,815,222.59, 20,729,821.35 and 9,207,353.12

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Solution

The fourth proportional to 13,815,222.59, 20,729,821.35 and 9,207,353.12 is: 13,815,686.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,815,222.59 : 20,729,821.35 = 9,207,353.12 : x
  2. Step 2: Convert to fraction form
    13,815,222.59/20,729,821.35 = 9,207,353.12/x
  3. Step 3: Cross multiply
    13,815,222.59x = 20,729,821.35 × 9,207,353.12
  4. Step 4: Simplify right side
    13,815,222.59x = 190,866,785,180,316.03
  5. Step 5: Solve for x
    x = 190,866,785,180,316.03/13,815,222.59
  6. Step 6: Final answer
    x = 13,815,686.57

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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.