Home / 13,850,105.92-20,869,695.80-11,381,070.40

Finding the Fourth Proportional to 13,850,105.92, 20,869,695.80 and 11,381,070.40

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Solution

The fourth proportional to 13,850,105.92, 20,869,695.80 and 11,381,070.40 is: 17,149,289.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,850,105.92 : 20,869,695.80 = 11,381,070.40 : x
  2. Step 2: Convert to fraction form
    13,850,105.92/20,869,695.80 = 11,381,070.40/x
  3. Step 3: Cross multiply
    13,850,105.92x = 20,869,695.80 × 11,381,070.40
  4. Step 4: Simplify right side
    13,850,105.92x = 237,519,477,126,384.34
  5. Step 5: Solve for x
    x = 237,519,477,126,384.34/13,850,105.92
  6. Step 6: Final answer
    x = 17,149,289.58

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.