Home / 20,659,742.70-30,954,184.65-9,853,775.70

Finding the Fourth Proportional to 20,659,742.70, 30,954,184.65 and 9,853,775.70

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Solution

The fourth proportional to 20,659,742.70, 30,954,184.65 and 9,853,775.70 is: 14,763,765.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,659,742.70 : 30,954,184.65 = 9,853,775.70 : x
  2. Step 2: Convert to fraction form
    20,659,742.70/30,954,184.65 = 9,853,775.70/x
  3. Step 3: Cross multiply
    20,659,742.70x = 30,954,184.65 × 9,853,775.70
  4. Step 4: Simplify right side
    20,659,742.70x = 305,015,592,517,482.94
  5. Step 5: Solve for x
    x = 305,015,592,517,482.94/20,659,742.70
  6. Step 6: Final answer
    x = 14,763,765.31

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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.