Home / 28,971,878.60-43,394,832.30-17,592,480.20

Finding the Fourth Proportional to 28,971,878.60, 43,394,832.30 and 17,592,480.20

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Solution

The fourth proportional to 28,971,878.60, 43,394,832.30 and 17,592,480.20 is: 26,350,473.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,971,878.60 : 43,394,832.30 = 17,592,480.20 : x
  2. Step 2: Convert to fraction form
    28,971,878.60/43,394,832.30 = 17,592,480.20/x
  3. Step 3: Cross multiply
    28,971,878.60x = 43,394,832.30 × 17,592,480.20
  4. Step 4: Simplify right side
    28,971,878.60x = 763,422,728,020,070.38
  5. Step 5: Solve for x
    x = 763,422,728,020,070.38/28,971,878.60
  6. Step 6: Final answer
    x = 26,350,473.80

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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.