Home / 12,447,711.60-18,671,567.40-8,382,187.96

Finding the Fourth Proportional to 12,447,711.60, 18,671,567.40 and 8,382,187.96

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Solution

The fourth proportional to 12,447,711.60, 18,671,567.40 and 8,382,187.96 is: 12,573,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,447,711.60 : 18,671,567.40 = 8,382,187.96 : x
  2. Step 2: Convert to fraction form
    12,447,711.60/18,671,567.40 = 8,382,187.96/x
  3. Step 3: Cross multiply
    12,447,711.60x = 18,671,567.40 × 8,382,187.96
  4. Step 4: Simplify right side
    12,447,711.60x = 156,508,587,454,608.50
  5. Step 5: Solve for x
    x = 156,508,587,454,608.50/12,447,711.60
  6. Step 6: Final answer
    x = 12,573,281.94

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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.