Home / 7,972,292.40-11,958,438.60-3,712,891.20

Finding the Fourth Proportional to 7,972,292.40, 11,958,438.60 and 3,712,891.20

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Solution

The fourth proportional to 7,972,292.40, 11,958,438.60 and 3,712,891.20 is: 5,569,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,972,292.40 : 11,958,438.60 = 3,712,891.20 : x
  2. Step 2: Convert to fraction form
    7,972,292.40/11,958,438.60 = 3,712,891.20/x
  3. Step 3: Cross multiply
    7,972,292.40x = 11,958,438.60 × 3,712,891.20
  4. Step 4: Simplify right side
    7,972,292.40x = 44,400,381,443,680.32
  5. Step 5: Solve for x
    x = 44,400,381,443,680.32/7,972,292.40
  6. Step 6: Final answer
    x = 5,569,336.80

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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.