Home / 18,546,672.76-25,570,888.96-13,254,691.68

Finding the Fourth Proportional to 18,546,672.76, 25,570,888.96 and 13,254,691.68

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Solution

The fourth proportional to 18,546,672.76, 25,570,888.96 and 13,254,691.68 is: 18,274,665.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,546,672.76 : 25,570,888.96 = 13,254,691.68 : x
  2. Step 2: Convert to fraction form
    18,546,672.76/25,570,888.96 = 13,254,691.68/x
  3. Step 3: Cross multiply
    18,546,672.76x = 25,570,888.96 × 13,254,691.68
  4. Step 4: Simplify right side
    18,546,672.76x = 338,934,249,148,315.88
  5. Step 5: Solve for x
    x = 338,934,249,148,315.88/18,546,672.76
  6. Step 6: Final answer
    x = 18,274,665.95

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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.