Home / 15,133,956.72-20,885,304.51-8,258,882.46

Finding the Fourth Proportional to 15,133,956.72, 20,885,304.51 and 8,258,882.46

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Solution

The fourth proportional to 15,133,956.72, 20,885,304.51 and 8,258,882.46 is: 11,397,500.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133,956.72 : 20,885,304.51 = 8,258,882.46 : x
  2. Step 2: Convert to fraction form
    15,133,956.72/20,885,304.51 = 8,258,882.46/x
  3. Step 3: Cross multiply
    15,133,956.72x = 20,885,304.51 × 8,258,882.46
  4. Step 4: Simplify right side
    15,133,956.72x = 172,489,275,089,397.91
  5. Step 5: Solve for x
    x = 172,489,275,089,397.91/15,133,956.72
  6. Step 6: Final answer
    x = 11,397,500.22

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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.