Home / 5,315,123.70-7,972,685.55-5,283,630.90

Finding the Fourth Proportional to 5,315,123.70, 7,972,685.55 and 5,283,630.90

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Solution

The fourth proportional to 5,315,123.70, 7,972,685.55 and 5,283,630.90 is: 7,925,446.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,123.70 : 7,972,685.55 = 5,283,630.90 : x
  2. Step 2: Convert to fraction form
    5,315,123.70/7,972,685.55 = 5,283,630.90/x
  3. Step 3: Cross multiply
    5,315,123.70x = 7,972,685.55 × 5,283,630.90
  4. Step 4: Simplify right side
    5,315,123.70x = 42,124,727,727,963.50
  5. Step 5: Solve for x
    x = 42,124,727,727,963.50/5,315,123.70
  6. Step 6: Final answer
    x = 7,925,446.35

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Similar ratio
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1.5x scale

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.