Home / 6,912,687.30-10,369,030.95-6,324,821.70

Finding the Fourth Proportional to 6,912,687.30, 10,369,030.95 and 6,324,821.70

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Solution

The fourth proportional to 6,912,687.30, 10,369,030.95 and 6,324,821.70 is: 9,487,232.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,912,687.30 : 10,369,030.95 = 6,324,821.70 : x
  2. Step 2: Convert to fraction form
    6,912,687.30/10,369,030.95 = 6,324,821.70/x
  3. Step 3: Cross multiply
    6,912,687.30x = 10,369,030.95 × 6,324,821.70
  4. Step 4: Simplify right side
    6,912,687.30x = 65,582,271,960,531.61
  5. Step 5: Solve for x
    x = 65,582,271,960,531.61/6,912,687.30
  6. Step 6: Final answer
    x = 9,487,232.55

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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.