Home / 9,304,499.16-12,840,216.39-5,174,440.38

Finding the Fourth Proportional to 9,304,499.16, 12,840,216.39 and 5,174,440.38

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Solution

The fourth proportional to 9,304,499.16, 12,840,216.39 and 5,174,440.38 is: 7,140,731.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,304,499.16 : 12,840,216.39 = 5,174,440.38 : x
  2. Step 2: Convert to fraction form
    9,304,499.16/12,840,216.39 = 5,174,440.38/x
  3. Step 3: Cross multiply
    9,304,499.16x = 12,840,216.39 × 5,174,440.38
  4. Step 4: Simplify right side
    9,304,499.16x = 66,440,934,176,353.83
  5. Step 5: Solve for x
    x = 66,440,934,176,353.83/9,304,499.16
  6. Step 6: Final answer
    x = 7,140,731.92

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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.