Home / 29,155,478.40-43,708,334.40-20,608,928.64

Finding the Fourth Proportional to 29,155,478.40, 43,708,334.40 and 20,608,928.64

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Solution

The fourth proportional to 29,155,478.40, 43,708,334.40 and 20,608,928.64 is: 30,895,803.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,155,478.40 : 43,708,334.40 = 20,608,928.64 : x
  2. Step 2: Convert to fraction form
    29,155,478.40/43,708,334.40 = 20,608,928.64/x
  3. Step 3: Cross multiply
    29,155,478.40x = 43,708,334.40 × 20,608,928.64
  4. Step 4: Simplify right side
    29,155,478.40x = 900,781,944,622,857.25
  5. Step 5: Solve for x
    x = 900,781,944,622,857.25/29,155,478.40
  6. Step 6: Final answer
    x = 30,895,803.95

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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.