Home / 14,407,766.46-19,883,191.86-7,881,246.72

Finding the Fourth Proportional to 14,407,766.46, 19,883,191.86 and 7,881,246.72

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Solution

The fourth proportional to 14,407,766.46, 19,883,191.86 and 7,881,246.72 is: 10,876,379.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,407,766.46 : 19,883,191.86 = 7,881,246.72 : x
  2. Step 2: Convert to fraction form
    14,407,766.46/19,883,191.86 = 7,881,246.72/x
  3. Step 3: Cross multiply
    14,407,766.46x = 19,883,191.86 × 7,881,246.72
  4. Step 4: Simplify right side
    14,407,766.46x = 156,704,340,629,755.69
  5. Step 5: Solve for x
    x = 156,704,340,629,755.69/14,407,766.46
  6. Step 6: Final answer
    x = 10,876,379.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.