Home / 12,482,661.60-18,723,992.40-8,880,818.40

Finding the Fourth Proportional to 12,482,661.60, 18,723,992.40 and 8,880,818.40

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Solution

The fourth proportional to 12,482,661.60, 18,723,992.40 and 8,880,818.40 is: 13,321,227.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,661.60 : 18,723,992.40 = 8,880,818.40 : x
  2. Step 2: Convert to fraction form
    12,482,661.60/18,723,992.40 = 8,880,818.40/x
  3. Step 3: Cross multiply
    12,482,661.60x = 18,723,992.40 × 8,880,818.40
  4. Step 4: Simplify right side
    12,482,661.60x = 166,284,376,227,380.16
  5. Step 5: Solve for x
    x = 166,284,376,227,380.16/12,482,661.60
  6. Step 6: Final answer
    x = 13,321,227.60

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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.