Home / 28,608,949.80-42,876,099.90-13,254,460.20

Finding the Fourth Proportional to 28,608,949.80, 42,876,099.90 and 13,254,460.20

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Solution

The fourth proportional to 28,608,949.80, 42,876,099.90 and 13,254,460.20 is: 19,864,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,949.80 : 42,876,099.90 = 13,254,460.20 : x
  2. Step 2: Convert to fraction form
    28,608,949.80/42,876,099.90 = 13,254,460.20/x
  3. Step 3: Cross multiply
    28,608,949.80x = 42,876,099.90 × 13,254,460.20
  4. Step 4: Simplify right side
    28,608,949.80x = 568,299,559,655,773.88
  5. Step 5: Solve for x
    x = 568,299,559,655,773.88/28,608,949.80
  6. Step 6: Final answer
    x = 19,864,397.81

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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.