Home / 15,406,993.08-21,261,389-8,531,327.52

Finding the Fourth Proportional to 15,406,993.08, 21,261,389 and 8,531,327.52

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Solution

The fourth proportional to 15,406,993.08, 21,261,389 and 8,531,327.52 is: 11,773,087.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,993.08 : 21,261,389 = 8,531,327.52 : x
  2. Step 2: Convert to fraction form
    15,406,993.08/21,261,389 = 8,531,327.52/x
  3. Step 3: Cross multiply
    15,406,993.08x = 21,261,389 × 8,531,327.52
  4. Step 4: Simplify right side
    15,406,993.08x = 181,387,873,089,125.28
  5. Step 5: Solve for x
    x = 181,387,873,089,125.28/15,406,993.08
  6. Step 6: Final answer
    x = 11,773,087.20

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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.