Home / 28,068,531.96-42,043,102.80-13,473,936.78

Finding the Fourth Proportional to 28,068,531.96, 42,043,102.80 and 13,473,936.78

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Solution

The fourth proportional to 28,068,531.96, 42,043,102.80 and 13,473,936.78 is: 20,182,249.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,068,531.96 : 42,043,102.80 = 13,473,936.78 : x
  2. Step 2: Convert to fraction form
    28,068,531.96/42,043,102.80 = 13,473,936.78/x
  3. Step 3: Cross multiply
    28,068,531.96x = 42,043,102.80 × 13,473,936.78
  4. Step 4: Simplify right side
    28,068,531.96x = 566,486,109,162,240.88
  5. Step 5: Solve for x
    x = 566,486,109,162,240.88/28,068,531.96
  6. Step 6: Final answer
    x = 20,182,249.29

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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.