Home / 15,035,713.70-20,749,299.19-8,160,197.58

Finding the Fourth Proportional to 15,035,713.70, 20,749,299.19 and 8,160,197.58

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Solution

The fourth proportional to 15,035,713.70, 20,749,299.19 and 8,160,197.58 is: 11,261,080.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,035,713.70 : 20,749,299.19 = 8,160,197.58 : x
  2. Step 2: Convert to fraction form
    15,035,713.70/20,749,299.19 = 8,160,197.58/x
  3. Step 3: Cross multiply
    15,035,713.70x = 20,749,299.19 × 8,160,197.58
  4. Step 4: Simplify right side
    15,035,713.70x = 169,318,381,016,533.47
  5. Step 5: Solve for x
    x = 169,318,381,016,533.47/15,035,713.70
  6. Step 6: Final answer
    x = 11,261,080.42

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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.