Home / 8,522,010.40-12,766,426.80-5,146,189.60

Finding the Fourth Proportional to 8,522,010.40, 12,766,426.80 and 5,146,189.60

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Solution

The fourth proportional to 8,522,010.40, 12,766,426.80 and 5,146,189.60 is: 7,709,266.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,522,010.40 : 12,766,426.80 = 5,146,189.60 : x
  2. Step 2: Convert to fraction form
    8,522,010.40/12,766,426.80 = 5,146,189.60/x
  3. Step 3: Cross multiply
    8,522,010.40x = 12,766,426.80 × 5,146,189.60
  4. Step 4: Simplify right side
    8,522,010.40x = 65,698,452,827,321.28
  5. Step 5: Solve for x
    x = 65,698,452,827,321.28/8,522,010.40
  6. Step 6: Final answer
    x = 7,709,266.92

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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.