Home / 13,434,630.92-20,122,407.75-11,102,695.25

Finding the Fourth Proportional to 13,434,630.92, 20,122,407.75 and 11,102,695.25

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Solution

The fourth proportional to 13,434,630.92, 20,122,407.75 and 11,102,695.25 is: 16,629,631.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,434,630.92 : 20,122,407.75 = 11,102,695.25 : x
  2. Step 2: Convert to fraction form
    13,434,630.92/20,122,407.75 = 11,102,695.25/x
  3. Step 3: Cross multiply
    13,434,630.92x = 20,122,407.75 × 11,102,695.25
  4. Step 4: Simplify right side
    13,434,630.92x = 223,412,960,885,511.25
  5. Step 5: Solve for x
    x = 223,412,960,885,511.25/13,434,630.92
  6. Step 6: Final answer
    x = 16,629,631.45

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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.