Home / 20,310,589.04-28,028,612.88-11,608,948.49

Finding the Fourth Proportional to 20,310,589.04, 28,028,612.88 and 11,608,948.49

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Solution

The fourth proportional to 20,310,589.04, 28,028,612.88 and 11,608,948.49 is: 16,020,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,310,589.04 : 28,028,612.88 = 11,608,948.49 : x
  2. Step 2: Convert to fraction form
    20,310,589.04/28,028,612.88 = 11,608,948.49/x
  3. Step 3: Cross multiply
    20,310,589.04x = 28,028,612.88 × 11,608,948.49
  4. Step 4: Simplify right side
    20,310,589.04x = 325,382,723,115,263.88
  5. Step 5: Solve for x
    x = 325,382,723,115,263.88/20,310,589.04
  6. Step 6: Final answer
    x = 16,020,348.91

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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.