Home / 13,364,731.20-18,443,394.72-7,253,166.72

Finding the Fourth Proportional to 13,364,731.20, 18,443,394.72 and 7,253,166.72

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Solution

The fourth proportional to 13,364,731.20, 18,443,394.72 and 7,253,166.72 is: 10,009,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,364,731.20 : 18,443,394.72 = 7,253,166.72 : x
  2. Step 2: Convert to fraction form
    13,364,731.20/18,443,394.72 = 7,253,166.72/x
  3. Step 3: Cross multiply
    13,364,731.20x = 18,443,394.72 × 7,253,166.72
  4. Step 4: Simplify right side
    13,364,731.20x = 133,773,016,786,927.70
  5. Step 5: Solve for x
    x = 133,773,016,786,927.70/13,364,731.20
  6. Step 6: Final answer
    x = 10,009,405.71

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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.