Home / 15,196,465.08-20,970,912.78-8,320,947.48

Finding the Fourth Proportional to 15,196,465.08, 20,970,912.78 and 8,320,947.48

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Solution

The fourth proportional to 15,196,465.08, 20,970,912.78 and 8,320,947.48 is: 11,482,793.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,196,465.08 : 20,970,912.78 = 8,320,947.48 : x
  2. Step 2: Convert to fraction form
    15,196,465.08/20,970,912.78 = 8,320,947.48/x
  3. Step 3: Cross multiply
    15,196,465.08x = 20,970,912.78 × 8,320,947.48
  4. Step 4: Simplify right side
    15,196,465.08x = 174,497,863,850,040.81
  5. Step 5: Solve for x
    x = 174,497,863,850,040.81/15,196,465.08
  6. Step 6: Final answer
    x = 11,482,793.07

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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.