Home / 9,992,191.20-14,965,586.35-7,819,677

Finding the Fourth Proportional to 9,992,191.20, 14,965,586.35 and 7,819,677

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Solution

The fourth proportional to 9,992,191.20, 14,965,586.35 and 7,819,677 is: 11,711,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,992,191.20 : 14,965,586.35 = 7,819,677 : x
  2. Step 2: Convert to fraction form
    9,992,191.20/14,965,586.35 = 7,819,677/x
  3. Step 3: Cross multiply
    9,992,191.20x = 14,965,586.35 × 7,819,677
  4. Step 4: Simplify right side
    9,992,191.20x = 117,026,051,372,608.95
  5. Step 5: Solve for x
    x = 117,026,051,372,608.95/9,992,191.20
  6. Step 6: Final answer
    x = 11,711,750.61

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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.