Home / 42,364,122.30-63,557,009.10-13,610,539.80

Finding the Fourth Proportional to 42,364,122.30, 63,557,009.10 and 13,610,539.80

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Solution

The fourth proportional to 42,364,122.30, 63,557,009.10 and 13,610,539.80 is: 20,419,287.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,364,122.30 : 63,557,009.10 = 13,610,539.80 : x
  2. Step 2: Convert to fraction form
    42,364,122.30/63,557,009.10 = 13,610,539.80/x
  3. Step 3: Cross multiply
    42,364,122.30x = 63,557,009.10 × 13,610,539.80
  4. Step 4: Simplify right side
    42,364,122.30x = 865,045,201,924,512.25
  5. Step 5: Solve for x
    x = 865,045,201,924,512.25/42,364,122.30
  6. Step 6: Final answer
    x = 20,419,287.71

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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.