Home / 13,049,952.50-18,009,221.20-7,169,663.54

Finding the Fourth Proportional to 13,049,952.50, 18,009,221.20 and 7,169,663.54

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Solution

The fourth proportional to 13,049,952.50, 18,009,221.20 and 7,169,663.54 is: 9,894,293.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,049,952.50 : 18,009,221.20 = 7,169,663.54 : x
  2. Step 2: Convert to fraction form
    13,049,952.50/18,009,221.20 = 7,169,663.54/x
  3. Step 3: Cross multiply
    13,049,952.50x = 18,009,221.20 × 7,169,663.54
  4. Step 4: Simplify right side
    13,049,952.50x = 129,120,056,621,435.05
  5. Step 5: Solve for x
    x = 129,120,056,621,435.05/13,049,952.50
  6. Step 6: Final answer
    x = 9,894,293.23

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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.