Home / 52,831,947.70-79,247,921.55-18,756,738.10

Finding the Fourth Proportional to 52,831,947.70, 79,247,921.55 and 18,756,738.10

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Solution

The fourth proportional to 52,831,947.70, 79,247,921.55 and 18,756,738.10 is: 28,135,107.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,831,947.70 : 79,247,921.55 = 18,756,738.10 : x
  2. Step 2: Convert to fraction form
    52,831,947.70/79,247,921.55 = 18,756,738.10/x
  3. Step 3: Cross multiply
    52,831,947.70x = 79,247,921.55 × 18,756,738.10
  4. Step 4: Simplify right side
    52,831,947.70x = 1,486,432,509,482,696
  5. Step 5: Solve for x
    x = 1,486,432,509,482,696/52,831,947.70
  6. Step 6: Final answer
    x = 28,135,107.15

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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.