Home / 15,057,069.02-20,778,712.31-8,181,549.26

Finding the Fourth Proportional to 15,057,069.02, 20,778,712.31 and 8,181,549.26

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Solution

The fourth proportional to 15,057,069.02, 20,778,712.31 and 8,181,549.26 is: 11,290,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,057,069.02 : 20,778,712.31 = 8,181,549.26 : x
  2. Step 2: Convert to fraction form
    15,057,069.02/20,778,712.31 = 8,181,549.26/x
  3. Step 3: Cross multiply
    15,057,069.02x = 20,778,712.31 × 8,181,549.26
  4. Step 4: Simplify right side
    15,057,069.02x = 170,002,058,323,633.38
  5. Step 5: Solve for x
    x = 170,002,058,323,633.38/15,057,069.02
  6. Step 6: Final answer
    x = 11,290,514.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.