Home / 12,765,053.56-17,615,773.96-8,181,374.94

Finding the Fourth Proportional to 12,765,053.56, 17,615,773.96 and 8,181,374.94

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Solution

The fourth proportional to 12,765,053.56, 17,615,773.96 and 8,181,374.94 is: 11,290,297.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,765,053.56 : 17,615,773.96 = 8,181,374.94 : x
  2. Step 2: Convert to fraction form
    12,765,053.56/17,615,773.96 = 8,181,374.94/x
  3. Step 3: Cross multiply
    12,765,053.56x = 17,615,773.96 × 8,181,374.94
  4. Step 4: Simplify right side
    12,765,053.56x = 144,121,251,625,048.56
  5. Step 5: Solve for x
    x = 144,121,251,625,048.56/12,765,053.56
  6. Step 6: Final answer
    x = 11,290,297.45

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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.