Home / 9,240,729.28-12,747,086.76-5,372,822.92

Finding the Fourth Proportional to 9,240,729.28, 12,747,086.76 and 5,372,822.92

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Solution

The fourth proportional to 9,240,729.28, 12,747,086.76 and 5,372,822.92 is: 7,411,518.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240,729.28 : 12,747,086.76 = 5,372,822.92 : x
  2. Step 2: Convert to fraction form
    9,240,729.28/12,747,086.76 = 5,372,822.92/x
  3. Step 3: Cross multiply
    9,240,729.28x = 12,747,086.76 × 5,372,822.92
  4. Step 4: Simplify right side
    9,240,729.28x = 68,487,839,907,356.54
  5. Step 5: Solve for x
    x = 68,487,839,907,356.54/9,240,729.28
  6. Step 6: Final answer
    x = 7,411,518.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.