Home / 15,156,924.33-20,909,956.05-9,276,820.29

Finding the Fourth Proportional to 15,156,924.33, 20,909,956.05 and 9,276,820.29

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Solution

The fourth proportional to 15,156,924.33, 20,909,956.05 and 9,276,820.29 is: 12,797,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,156,924.33 : 20,909,956.05 = 9,276,820.29 : x
  2. Step 2: Convert to fraction form
    15,156,924.33/20,909,956.05 = 9,276,820.29/x
  3. Step 3: Cross multiply
    15,156,924.33x = 20,909,956.05 × 9,276,820.29
  4. Step 4: Simplify right side
    15,156,924.33x = 193,977,904,547,648.25
  5. Step 5: Solve for x
    x = 193,977,904,547,648.25/15,156,924.33
  6. Step 6: Final answer
    x = 12,797,972.75

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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.