Home / 18,612,959.79-27,920,190.57-6,483,650.04

Finding the Fourth Proportional to 18,612,959.79, 27,920,190.57 and 6,483,650.04

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Solution

The fourth proportional to 18,612,959.79, 27,920,190.57 and 6,483,650.04 is: 9,725,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,612,959.79 : 27,920,190.57 = 6,483,650.04 : x
  2. Step 2: Convert to fraction form
    18,612,959.79/27,920,190.57 = 6,483,650.04/x
  3. Step 3: Cross multiply
    18,612,959.79x = 27,920,190.57 × 6,483,650.04
  4. Step 4: Simplify right side
    18,612,959.79x = 181,024,744,705,988.12
  5. Step 5: Solve for x
    x = 181,024,744,705,988.12/18,612,959.79
  6. Step 6: Final answer
    x = 9,725,736.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.