Home / 7,900,561.80-11,843,747.10-3,111,517.80

Finding the Fourth Proportional to 7,900,561.80, 11,843,747.10 and 3,111,517.80

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Solution

The fourth proportional to 7,900,561.80, 11,843,747.10 and 3,111,517.80 is: 4,664,482.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,900,561.80 : 11,843,747.10 = 3,111,517.80 : x
  2. Step 2: Convert to fraction form
    7,900,561.80/11,843,747.10 = 3,111,517.80/x
  3. Step 3: Cross multiply
    7,900,561.80x = 11,843,747.10 × 3,111,517.80
  4. Step 4: Simplify right side
    7,900,561.80x = 36,852,029,920,348.38
  5. Step 5: Solve for x
    x = 36,852,029,920,348.38/7,900,561.80
  6. Step 6: Final answer
    x = 4,664,482.20

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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.