Home / 9,169,409.50-12,654,069.94-5,039,365.70

Finding the Fourth Proportional to 9,169,409.50, 12,654,069.94 and 5,039,365.70

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Solution

The fourth proportional to 9,169,409.50, 12,654,069.94 and 5,039,365.70 is: 6,954,481.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,169,409.50 : 12,654,069.94 = 5,039,365.70 : x
  2. Step 2: Convert to fraction form
    9,169,409.50/12,654,069.94 = 5,039,365.70/x
  3. Step 3: Cross multiply
    9,169,409.50x = 12,654,069.94 × 5,039,365.70
  4. Step 4: Simplify right side
    9,169,409.50x = 63,768,486,021,037.05
  5. Step 5: Solve for x
    x = 63,768,486,021,037.05/9,169,409.50
  6. Step 6: Final answer
    x = 6,954,481.20

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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.