Home / 30,917,699.22-42,671,673-17,872,520.43

Finding the Fourth Proportional to 30,917,699.22, 42,671,673 and 17,872,520.43

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Solution

The fourth proportional to 30,917,699.22, 42,671,673 and 17,872,520.43 is: 24,667,111.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,917,699.22 : 42,671,673 = 17,872,520.43 : x
  2. Step 2: Convert to fraction form
    30,917,699.22/42,671,673 = 17,872,520.43/x
  3. Step 3: Cross multiply
    30,917,699.22x = 42,671,673 × 17,872,520.43
  4. Step 4: Simplify right side
    30,917,699.22x = 762,650,347,474,779.38
  5. Step 5: Solve for x
    x = 762,650,347,474,779.38/30,917,699.22
  6. Step 6: Final answer
    x = 24,667,111.94

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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.