Home / 30,486,793.15-42,070,684.80-17,255,686.15

Finding the Fourth Proportional to 30,486,793.15, 42,070,684.80 and 17,255,686.15

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Solution

The fourth proportional to 30,486,793.15, 42,070,684.80 and 17,255,686.15 is: 23,812,230.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486,793.15 : 42,070,684.80 = 17,255,686.15 : x
  2. Step 2: Convert to fraction form
    30,486,793.15/42,070,684.80 = 17,255,686.15/x
  3. Step 3: Cross multiply
    30,486,793.15x = 42,070,684.80 × 17,255,686.15
  4. Step 4: Simplify right side
    30,486,793.15x = 725,958,533,024,375.38
  5. Step 5: Solve for x
    x = 725,958,533,024,375.38/30,486,793.15
  6. Step 6: Final answer
    x = 23,812,230.08

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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.