Home / 7,438,207.18-11,152,217.19-3,787,871.06

Finding the Fourth Proportional to 7,438,207.18, 11,152,217.19 and 3,787,871.06

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Solution

The fourth proportional to 7,438,207.18, 11,152,217.19 and 3,787,871.06 is: 5,679,212.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438,207.18 : 11,152,217.19 = 3,787,871.06 : x
  2. Step 2: Convert to fraction form
    7,438,207.18/11,152,217.19 = 3,787,871.06/x
  3. Step 3: Cross multiply
    7,438,207.18x = 11,152,217.19 × 3,787,871.06
  4. Step 4: Simplify right side
    7,438,207.18x = 42,243,160,748,835.52
  5. Step 5: Solve for x
    x = 42,243,160,748,835.52/7,438,207.18
  6. Step 6: Final answer
    x = 5,679,212.71

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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.