Home / 28,188,001.20-42,282,001.80-14,723,079.60

Finding the Fourth Proportional to 28,188,001.20, 42,282,001.80 and 14,723,079.60

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Solution

The fourth proportional to 28,188,001.20, 42,282,001.80 and 14,723,079.60 is: 22,084,619.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,188,001.20 : 42,282,001.80 = 14,723,079.60 : x
  2. Step 2: Convert to fraction form
    28,188,001.20/42,282,001.80 = 14,723,079.60/x
  3. Step 3: Cross multiply
    28,188,001.20x = 42,282,001.80 × 14,723,079.60
  4. Step 4: Simplify right side
    28,188,001.20x = 622,521,278,148,743.25
  5. Step 5: Solve for x
    x = 622,521,278,148,743.25/28,188,001.20
  6. Step 6: Final answer
    x = 22,084,619.40

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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.