Home / 22,286,020.64-30,755,989.12-12,499,603.84

Finding the Fourth Proportional to 22,286,020.64, 30,755,989.12 and 12,499,603.84

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Solution

The fourth proportional to 22,286,020.64, 30,755,989.12 and 12,499,603.84 is: 17,250,171.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,286,020.64 : 30,755,989.12 = 12,499,603.84 : x
  2. Step 2: Convert to fraction form
    22,286,020.64/30,755,989.12 = 12,499,603.84/x
  3. Step 3: Cross multiply
    22,286,020.64x = 30,755,989.12 × 12,499,603.84
  4. Step 4: Simplify right side
    22,286,020.64x = 384,437,679,707,350.25
  5. Step 5: Solve for x
    x = 384,437,679,707,350.25/22,286,020.64
  6. Step 6: Final answer
    x = 17,250,171.57

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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.