Home / 7,724,220.48-10,659,787.92-4,286,489.76

Finding the Fourth Proportional to 7,724,220.48, 10,659,787.92 and 4,286,489.76

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Solution

The fourth proportional to 7,724,220.48, 10,659,787.92 and 4,286,489.76 is: 5,915,557.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,724,220.48 : 10,659,787.92 = 4,286,489.76 : x
  2. Step 2: Convert to fraction form
    7,724,220.48/10,659,787.92 = 4,286,489.76/x
  3. Step 3: Cross multiply
    7,724,220.48x = 10,659,787.92 × 4,286,489.76
  4. Step 4: Simplify right side
    7,724,220.48x = 45,693,071,762,851.70
  5. Step 5: Solve for x
    x = 45,693,071,762,851.70/7,724,220.48
  6. Step 6: Final answer
    x = 5,915,557.68

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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.