Home / 20,169,858.20-30,254,787.30-5,023,789.70

Finding the Fourth Proportional to 20,169,858.20, 30,254,787.30 and 5,023,789.70

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Solution

The fourth proportional to 20,169,858.20, 30,254,787.30 and 5,023,789.70 is: 7,535,684.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,169,858.20 : 30,254,787.30 = 5,023,789.70 : x
  2. Step 2: Convert to fraction form
    20,169,858.20/30,254,787.30 = 5,023,789.70/x
  3. Step 3: Cross multiply
    20,169,858.20x = 30,254,787.30 × 5,023,789.70
  4. Step 4: Simplify right side
    20,169,858.20x = 151,993,688,813,430.81
  5. Step 5: Solve for x
    x = 151,993,688,813,430.81/20,169,858.20
  6. Step 6: Final answer
    x = 7,535,684.55

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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.