Home / 18,792,145.80-28,188,218.70-9,226,207.80

Finding the Fourth Proportional to 18,792,145.80, 28,188,218.70 and 9,226,207.80

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Solution

The fourth proportional to 18,792,145.80, 28,188,218.70 and 9,226,207.80 is: 13,839,311.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,792,145.80 : 28,188,218.70 = 9,226,207.80 : x
  2. Step 2: Convert to fraction form
    18,792,145.80/28,188,218.70 = 9,226,207.80/x
  3. Step 3: Cross multiply
    18,792,145.80x = 28,188,218.70 × 9,226,207.80
  4. Step 4: Simplify right side
    18,792,145.80x = 260,070,363,238,045.88
  5. Step 5: Solve for x
    x = 260,070,363,238,045.88/18,792,145.80
  6. Step 6: Final answer
    x = 13,839,311.70

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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.