Home / 18,132,743.23-25,023,799.80-9,873,125.84

Finding the Fourth Proportional to 18,132,743.23, 25,023,799.80 and 9,873,125.84

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Solution

The fourth proportional to 18,132,743.23, 25,023,799.80 and 9,873,125.84 is: 13,625,248.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,743.23 : 25,023,799.80 = 9,873,125.84 : x
  2. Step 2: Convert to fraction form
    18,132,743.23/25,023,799.80 = 9,873,125.84/x
  3. Step 3: Cross multiply
    18,132,743.23x = 25,023,799.80 × 9,873,125.84
  4. Step 4: Simplify right side
    18,132,743.23x = 247,063,124,482,926.31
  5. Step 5: Solve for x
    x = 247,063,124,482,926.31/18,132,743.23
  6. Step 6: Final answer
    x = 13,625,248.06

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1.5x scale

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.