Home / 8,142,246.40-12,218,035.20-3,097,177.60

Finding the Fourth Proportional to 8,142,246.40, 12,218,035.20 and 3,097,177.60

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Solution

The fourth proportional to 8,142,246.40, 12,218,035.20 and 3,097,177.60 is: 4,647,541.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,142,246.40 : 12,218,035.20 = 3,097,177.60 : x
  2. Step 2: Convert to fraction form
    8,142,246.40/12,218,035.20 = 3,097,177.60/x
  3. Step 3: Cross multiply
    8,142,246.40x = 12,218,035.20 × 3,097,177.60
  4. Step 4: Simplify right side
    8,142,246.40x = 37,841,424,937,451.52
  5. Step 5: Solve for x
    x = 37,841,424,937,451.52/8,142,246.40
  6. Step 6: Final answer
    x = 4,647,541.12

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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.