Home / 13,841,138.70-20,761,708.05-8,077,956.30

Finding the Fourth Proportional to 13,841,138.70, 20,761,708.05 and 8,077,956.30

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Solution

The fourth proportional to 13,841,138.70, 20,761,708.05 and 8,077,956.30 is: 12,116,934.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,841,138.70 : 20,761,708.05 = 8,077,956.30 : x
  2. Step 2: Convert to fraction form
    13,841,138.70/20,761,708.05 = 8,077,956.30/x
  3. Step 3: Cross multiply
    13,841,138.70x = 20,761,708.05 × 8,077,956.30
  4. Step 4: Simplify right side
    13,841,138.70x = 167,712,170,341,258.22
  5. Step 5: Solve for x
    x = 167,712,170,341,258.22/13,841,138.70
  6. Step 6: Final answer
    x = 12,116,934.45

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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.