Home / 9,358,449.18-12,912,446.58-5,435,874.56

Finding the Fourth Proportional to 9,358,449.18, 12,912,446.58 and 5,435,874.56

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Solution

The fourth proportional to 9,358,449.18, 12,912,446.58 and 5,435,874.56 is: 7,500,221.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358,449.18 : 12,912,446.58 = 5,435,874.56 : x
  2. Step 2: Convert to fraction form
    9,358,449.18/12,912,446.58 = 5,435,874.56/x
  3. Step 3: Cross multiply
    9,358,449.18x = 12,912,446.58 × 5,435,874.56
  4. Step 4: Simplify right side
    9,358,449.18x = 70,190,439,807,018.77
  5. Step 5: Solve for x
    x = 70,190,439,807,018.77/9,358,449.18
  6. Step 6: Final answer
    x = 7,500,221.29

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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.