Home / 27,259,298.20-40,888,947.30-15,780,172.60

Finding the Fourth Proportional to 27,259,298.20, 40,888,947.30 and 15,780,172.60

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Solution

The fourth proportional to 27,259,298.20, 40,888,947.30 and 15,780,172.60 is: 23,670,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,259,298.20 : 40,888,947.30 = 15,780,172.60 : x
  2. Step 2: Convert to fraction form
    27,259,298.20/40,888,947.30 = 15,780,172.60/x
  3. Step 3: Cross multiply
    27,259,298.20x = 40,888,947.30 × 15,780,172.60
  4. Step 4: Simplify right side
    27,259,298.20x = 645,234,645,826,303.88
  5. Step 5: Solve for x
    x = 645,234,645,826,303.88/27,259,298.20
  6. Step 6: Final answer
    x = 23,670,258.90

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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.