Home / 7,856,366.85-11,787,428.88-3,308,560.47

Finding the Fourth Proportional to 7,856,366.85, 11,787,428.88 and 3,308,560.47

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Solution

The fourth proportional to 7,856,366.85, 11,787,428.88 and 3,308,560.47 is: 4,964,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,856,366.85 : 11,787,428.88 = 3,308,560.47 : x
  2. Step 2: Convert to fraction form
    7,856,366.85/11,787,428.88 = 3,308,560.47/x
  3. Step 3: Cross multiply
    7,856,366.85x = 11,787,428.88 × 3,308,560.47
  4. Step 4: Simplify right side
    7,856,366.85x = 38,999,421,235,304.38
  5. Step 5: Solve for x
    x = 38,999,421,235,304.38/7,856,366.85
  6. Step 6: Final answer
    x = 4,964,052.98

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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.