Home / 13,908,438.10-19,194,793.61-7,715,481.49

Finding the Fourth Proportional to 13,908,438.10, 19,194,793.61 and 7,715,481.49

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Solution

The fourth proportional to 13,908,438.10, 19,194,793.61 and 7,715,481.49 is: 10,648,001.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,908,438.10 : 19,194,793.61 = 7,715,481.49 : x
  2. Step 2: Convert to fraction form
    13,908,438.10/19,194,793.61 = 7,715,481.49/x
  3. Step 3: Cross multiply
    13,908,438.10x = 19,194,793.61 × 7,715,481.49
  4. Step 4: Simplify right side
    13,908,438.10x = 148,097,074,763,747.88
  5. Step 5: Solve for x
    x = 148,097,074,763,747.88/13,908,438.10
  6. Step 6: Final answer
    x = 10,648,001.86

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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.