Home / 12,258,796.16-18,364,279.40-7,454,569.52

Finding the Fourth Proportional to 12,258,796.16, 18,364,279.40 and 7,454,569.52

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Solution

The fourth proportional to 12,258,796.16, 18,364,279.40 and 7,454,569.52 is: 11,167,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,258,796.16 : 18,364,279.40 = 7,454,569.52 : x
  2. Step 2: Convert to fraction form
    12,258,796.16/18,364,279.40 = 7,454,569.52/x
  3. Step 3: Cross multiply
    12,258,796.16x = 18,364,279.40 × 7,454,569.52
  4. Step 4: Simplify right side
    12,258,796.16x = 136,897,797,508,596.38
  5. Step 5: Solve for x
    x = 136,897,797,508,596.38/12,258,796.16
  6. Step 6: Final answer
    x = 11,167,311.68

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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.