Home / 18,950,158.32-28,418,872.40-6,167,656.88

Finding the Fourth Proportional to 18,950,158.32, 28,418,872.40 and 6,167,656.88

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Solution

The fourth proportional to 18,950,158.32, 28,418,872.40 and 6,167,656.88 is: 9,249,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950,158.32 : 28,418,872.40 = 6,167,656.88 : x
  2. Step 2: Convert to fraction form
    18,950,158.32/28,418,872.40 = 6,167,656.88/x
  3. Step 3: Cross multiply
    18,950,158.32x = 28,418,872.40 × 6,167,656.88
  4. Step 4: Simplify right side
    18,950,158.32x = 175,277,853,879,702.09
  5. Step 5: Solve for x
    x = 175,277,853,879,702.09/18,950,158.32
  6. Step 6: Final answer
    x = 9,249,413.69

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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.