Home / 42,557,805.90-63,845,675.55-13,801,699.23

Finding the Fourth Proportional to 42,557,805.90, 63,845,675.55 and 13,801,699.23

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Solution

The fourth proportional to 42,557,805.90, 63,845,675.55 and 13,801,699.23 is: 20,705,456.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,557,805.90 : 63,845,675.55 = 13,801,699.23 : x
  2. Step 2: Convert to fraction form
    42,557,805.90/63,845,675.55 = 13,801,699.23/x
  3. Step 3: Cross multiply
    42,557,805.90x = 63,845,675.55 × 13,801,699.23
  4. Step 4: Simplify right side
    42,557,805.90x = 881,178,811,077,264.88
  5. Step 5: Solve for x
    x = 881,178,811,077,264.88/42,557,805.90
  6. Step 6: Final answer
    x = 20,705,456.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.