Home / 12,170,781.24-18,259,124.30-3,651,117.70

Finding the Fourth Proportional to 12,170,781.24, 18,259,124.30 and 3,651,117.70

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Solution

The fourth proportional to 12,170,781.24, 18,259,124.30 and 3,651,117.70 is: 5,477,562.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,170,781.24 : 18,259,124.30 = 3,651,117.70 : x
  2. Step 2: Convert to fraction form
    12,170,781.24/18,259,124.30 = 3,651,117.70/x
  3. Step 3: Cross multiply
    12,170,781.24x = 18,259,124.30 × 3,651,117.70
  4. Step 4: Simplify right side
    12,170,781.24x = 66,666,211,918,230.12
  5. Step 5: Solve for x
    x = 66,666,211,918,230.12/12,170,781.24
  6. Step 6: Final answer
    x = 5,477,562.25

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1.5x scale

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.