Home / 12,291,815.60-18,437,723.40-8,465,440.40

Finding the Fourth Proportional to 12,291,815.60, 18,437,723.40 and 8,465,440.40

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Solution

The fourth proportional to 12,291,815.60, 18,437,723.40 and 8,465,440.40 is: 12,698,160.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,291,815.60 : 18,437,723.40 = 8,465,440.40 : x
  2. Step 2: Convert to fraction form
    12,291,815.60/18,437,723.40 = 8,465,440.40/x
  3. Step 3: Cross multiply
    12,291,815.60x = 18,437,723.40 × 8,465,440.40
  4. Step 4: Simplify right side
    12,291,815.60x = 156,083,448,554,385.34
  5. Step 5: Solve for x
    x = 156,083,448,554,385.34/12,291,815.60
  6. Step 6: Final answer
    x = 12,698,160.60

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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.