Home / 30,767,309.90-42,471,961.11-19,170,602.97

Finding the Fourth Proportional to 30,767,309.90, 42,471,961.11 and 19,170,602.97

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Solution

The fourth proportional to 30,767,309.90, 42,471,961.11 and 19,170,602.97 is: 26,463,577.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767,309.90 : 42,471,961.11 = 19,170,602.97 : x
  2. Step 2: Convert to fraction form
    30,767,309.90/42,471,961.11 = 19,170,602.97/x
  3. Step 3: Cross multiply
    30,767,309.90x = 42,471,961.11 × 19,170,602.97
  4. Step 4: Simplify right side
    30,767,309.90x = 814,213,103,797,090.38
  5. Step 5: Solve for x
    x = 814,213,103,797,090.38/30,767,309.90
  6. Step 6: Final answer
    x = 26,463,577.95

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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.