Home / 38,022,789.87-52,471,464.12-20,619,130.50

Finding the Fourth Proportional to 38,022,789.87, 52,471,464.12 and 20,619,130.50

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Solution

The fourth proportional to 38,022,789.87, 52,471,464.12 and 20,619,130.50 is: 28,454,407.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,022,789.87 : 52,471,464.12 = 20,619,130.50 : x
  2. Step 2: Convert to fraction form
    38,022,789.87/52,471,464.12 = 20,619,130.50/x
  3. Step 3: Cross multiply
    38,022,789.87x = 52,471,464.12 × 20,619,130.50
  4. Step 4: Simplify right side
    38,022,789.87x = 1,081,915,966,216,347.62
  5. Step 5: Solve for x
    x = 1,081,915,966,216,347.62/38,022,789.87
  6. Step 6: Final answer
    x = 28,454,407.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.