Home / 28,608,957.80-42,876,111.90-13,254,468.20

Finding the Fourth Proportional to 28,608,957.80, 42,876,111.90 and 13,254,468.20

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Solution

The fourth proportional to 28,608,957.80, 42,876,111.90 and 13,254,468.20 is: 19,864,409.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,608,957.80 : 42,876,111.90 = 13,254,468.20 : x
  2. Step 2: Convert to fraction form
    28,608,957.80/42,876,111.90 = 13,254,468.20/x
  3. Step 3: Cross multiply
    28,608,957.80x = 42,876,111.90 × 13,254,468.20
  4. Step 4: Simplify right side
    28,608,957.80x = 568,300,061,718,191.50
  5. Step 5: Solve for x
    x = 568,300,061,718,191.50/28,608,957.80
  6. Step 6: Final answer
    x = 19,864,409.80

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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.