Home / 5,315,087.30-7,972,630.95-5,105,135.30

Finding the Fourth Proportional to 5,315,087.30, 7,972,630.95 and 5,105,135.30

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Solution

The fourth proportional to 5,315,087.30, 7,972,630.95 and 5,105,135.30 is: 7,657,702.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,315,087.30 : 7,972,630.95 = 5,105,135.30 : x
  2. Step 2: Convert to fraction form
    5,315,087.30/7,972,630.95 = 5,105,135.30/x
  3. Step 3: Cross multiply
    5,315,087.30x = 7,972,630.95 × 5,105,135.30
  4. Step 4: Simplify right side
    5,315,087.30x = 40,701,359,696,717.53
  5. Step 5: Solve for x
    x = 40,701,359,696,717.53/5,315,087.30
  6. Step 6: Final answer
    x = 7,657,702.95

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Double scale
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Similar ratio
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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.