Home / 12,231,853.60-18,347,780.40-3,712,176.40

Finding the Fourth Proportional to 12,231,853.60, 18,347,780.40 and 3,712,176.40

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Solution

The fourth proportional to 12,231,853.60, 18,347,780.40 and 3,712,176.40 is: 5,568,264.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,231,853.60 : 18,347,780.40 = 3,712,176.40 : x
  2. Step 2: Convert to fraction form
    12,231,853.60/18,347,780.40 = 3,712,176.40/x
  3. Step 3: Cross multiply
    12,231,853.60x = 18,347,780.40 × 3,712,176.40
  4. Step 4: Simplify right side
    12,231,853.60x = 68,110,197,393,262.55
  5. Step 5: Solve for x
    x = 68,110,197,393,262.55/12,231,853.60
  6. Step 6: Final answer
    x = 5,568,264.60

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1.5x scale

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.