Home / 28,691,813.16-43,040,304.30-9,261,499.86

Finding the Fourth Proportional to 28,691,813.16, 43,040,304.30 and 9,261,499.86

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Solution

The fourth proportional to 28,691,813.16, 43,040,304.30 and 9,261,499.86 is: 13,893,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,691,813.16 : 43,040,304.30 = 9,261,499.86 : x
  2. Step 2: Convert to fraction form
    28,691,813.16/43,040,304.30 = 9,261,499.86/x
  3. Step 3: Cross multiply
    28,691,813.16x = 43,040,304.30 × 9,261,499.86
  4. Step 4: Simplify right side
    28,691,813.16x = 398,617,772,248,807.38
  5. Step 5: Solve for x
    x = 398,617,772,248,807.38/28,691,813.16
  6. Step 6: Final answer
    x = 13,893,084.07

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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.