Home / 9,113,708.20-13,670,562.30-8,971,990.60

Finding the Fourth Proportional to 9,113,708.20, 13,670,562.30 and 8,971,990.60

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Solution

The fourth proportional to 9,113,708.20, 13,670,562.30 and 8,971,990.60 is: 13,457,985.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,113,708.20 : 13,670,562.30 = 8,971,990.60 : x
  2. Step 2: Convert to fraction form
    9,113,708.20/13,670,562.30 = 8,971,990.60/x
  3. Step 3: Cross multiply
    9,113,708.20x = 13,670,562.30 × 8,971,990.60
  4. Step 4: Simplify right side
    9,113,708.20x = 122,652,156,452,314.38
  5. Step 5: Solve for x
    x = 122,652,156,452,314.38/9,113,708.20
  6. Step 6: Final answer
    x = 13,457,985.90

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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.