Home / 28,608,960.80-42,876,116.40-13,254,471.20

Finding the Fourth Proportional to 28,608,960.80, 42,876,116.40 and 13,254,471.20

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Solution

The fourth proportional to 28,608,960.80, 42,876,116.40 and 13,254,471.20 is: 19,864,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,960.80 : 42,876,116.40 = 13,254,471.20 : x
  2. Step 2: Convert to fraction form
    28,608,960.80/42,876,116.40 = 13,254,471.20/x
  3. Step 3: Cross multiply
    28,608,960.80x = 42,876,116.40 × 13,254,471.20
  4. Step 4: Simplify right side
    28,608,960.80x = 568,300,249,991,647.62
  5. Step 5: Solve for x
    x = 568,300,249,991,647.62/28,608,960.80
  6. Step 6: Final answer
    x = 19,864,414.30

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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.