Home / 25,288,673.20-37,933,009.80-18,911,381.20

Finding the Fourth Proportional to 25,288,673.20, 37,933,009.80 and 18,911,381.20

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Solution

The fourth proportional to 25,288,673.20, 37,933,009.80 and 18,911,381.20 is: 28,367,071.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,288,673.20 : 37,933,009.80 = 18,911,381.20 : x
  2. Step 2: Convert to fraction form
    25,288,673.20/37,933,009.80 = 18,911,381.20/x
  3. Step 3: Cross multiply
    25,288,673.20x = 37,933,009.80 × 18,911,381.20
  4. Step 4: Simplify right side
    25,288,673.20x = 717,365,608,391,135.62
  5. Step 5: Solve for x
    x = 717,365,608,391,135.62/25,288,673.20
  6. Step 6: Final answer
    x = 28,367,071.80

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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.