Home / 30,486,449.12-42,070,211.20-17,255,342.08

Finding the Fourth Proportional to 30,486,449.12, 42,070,211.20 and 17,255,342.08

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Solution

The fourth proportional to 30,486,449.12, 42,070,211.20 and 17,255,342.08 is: 23,811,755.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,486,449.12 : 42,070,211.20 = 17,255,342.08 : x
  2. Step 2: Convert to fraction form
    30,486,449.12/42,070,211.20 = 17,255,342.08/x
  3. Step 3: Cross multiply
    30,486,449.12x = 42,070,211.20 × 17,255,342.08
  4. Step 4: Simplify right side
    30,486,449.12x = 725,935,885,633,847.25
  5. Step 5: Solve for x
    x = 725,935,885,633,847.25/30,486,449.12
  6. Step 6: Final answer
    x = 23,811,755.93

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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.