Home / 15,442,828.22-21,312,992.82-8,916,446.75

Finding the Fourth Proportional to 15,442,828.22, 21,312,992.82 and 8,916,446.75

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Solution

The fourth proportional to 15,442,828.22, 21,312,992.82 and 8,916,446.75 is: 12,305,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,442,828.22 : 21,312,992.82 = 8,916,446.75 : x
  2. Step 2: Convert to fraction form
    15,442,828.22/21,312,992.82 = 8,916,446.75/x
  3. Step 3: Cross multiply
    15,442,828.22x = 21,312,992.82 × 8,916,446.75
  4. Step 4: Simplify right side
    15,442,828.22x = 190,036,165,456,097.34
  5. Step 5: Solve for x
    x = 190,036,165,456,097.34/15,442,828.22
  6. Step 6: Final answer
    x = 12,305,787.70

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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.