Home / 15,260,042.34-21,059,097.35-8,290,857.96

Finding the Fourth Proportional to 15,260,042.34, 21,059,097.35 and 8,290,857.96

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Solution

The fourth proportional to 15,260,042.34, 21,059,097.35 and 8,290,857.96 is: 11,441,513.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260,042.34 : 21,059,097.35 = 8,290,857.96 : x
  2. Step 2: Convert to fraction form
    15,260,042.34/21,059,097.35 = 8,290,857.96/x
  3. Step 3: Cross multiply
    15,260,042.34x = 21,059,097.35 × 8,290,857.96
  4. Step 4: Simplify right side
    15,260,042.34x = 174,597,984,853,208.09
  5. Step 5: Solve for x
    x = 174,597,984,853,208.09/15,260,042.34
  6. Step 6: Final answer
    x = 11,441,513.79

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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.