Home / 30,157,971.66-41,632,456.17-18,565,471.98

Finding the Fourth Proportional to 30,157,971.66, 41,632,456.17 and 18,565,471.98

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Solution

The fourth proportional to 30,157,971.66, 41,632,456.17 and 18,565,471.98 is: 25,629,250.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,157,971.66 : 41,632,456.17 = 18,565,471.98 : x
  2. Step 2: Convert to fraction form
    30,157,971.66/41,632,456.17 = 18,565,471.98/x
  3. Step 3: Cross multiply
    30,157,971.66x = 41,632,456.17 × 18,565,471.98
  4. Step 4: Simplify right side
    30,157,971.66x = 772,926,198,482,713.12
  5. Step 5: Solve for x
    x = 772,926,198,482,713.12/30,157,971.66
  6. Step 6: Final answer
    x = 25,629,250.11

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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.