Home / 15,845,636.14-21,867,068.82-9,319,540.66

Finding the Fourth Proportional to 15,845,636.14, 21,867,068.82 and 9,319,540.66

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Solution

The fourth proportional to 15,845,636.14, 21,867,068.82 and 9,319,540.66 is: 12,861,019.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,845,636.14 : 21,867,068.82 = 9,319,540.66 : x
  2. Step 2: Convert to fraction form
    15,845,636.14/21,867,068.82 = 9,319,540.66/x
  3. Step 3: Cross multiply
    15,845,636.14x = 21,867,068.82 × 9,319,540.66
  4. Step 4: Simplify right side
    15,845,636.14x = 203,791,036,983,008.22
  5. Step 5: Solve for x
    x = 203,791,036,983,008.22/15,845,636.14
  6. Step 6: Final answer
    x = 12,861,019.60

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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.