Home / 30,947,090.22-42,706,135.17-17,195,700.78

Finding the Fourth Proportional to 30,947,090.22, 42,706,135.17 and 17,195,700.78

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Solution

The fourth proportional to 30,947,090.22, 42,706,135.17 and 17,195,700.78 is: 23,729,595.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,947,090.22 : 42,706,135.17 = 17,195,700.78 : x
  2. Step 2: Convert to fraction form
    30,947,090.22/42,706,135.17 = 17,195,700.78/x
  3. Step 3: Cross multiply
    30,947,090.22x = 42,706,135.17 × 17,195,700.78
  4. Step 4: Simplify right side
    30,947,090.22x = 734,361,921,853,554.50
  5. Step 5: Solve for x
    x = 734,361,921,853,554.50/30,947,090.22
  6. Step 6: Final answer
    x = 23,729,595.15

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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.