Home / 15,406,906.32-21,261,517.47-8,531,388.18

Finding the Fourth Proportional to 15,406,906.32, 21,261,517.47 and 8,531,388.18

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Solution

The fourth proportional to 15,406,906.32, 21,261,517.47 and 8,531,388.18 is: 11,773,308.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,406,906.32 : 21,261,517.47 = 8,531,388.18 : x
  2. Step 2: Convert to fraction form
    15,406,906.32/21,261,517.47 = 8,531,388.18/x
  3. Step 3: Cross multiply
    15,406,906.32x = 21,261,517.47 × 8,531,388.18
  4. Step 4: Simplify right side
    15,406,906.32x = 181,390,258,832,421.50
  5. Step 5: Solve for x
    x = 181,390,258,832,421.50/15,406,906.32
  6. Step 6: Final answer
    x = 11,773,308.35

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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.