Home / 38,138,276.30-52,630,562.07-20,734,621.52

Finding the Fourth Proportional to 38,138,276.30, 52,630,562.07 and 20,734,621.52

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Solution

The fourth proportional to 38,138,276.30, 52,630,562.07 and 20,734,621.52 is: 28,613,636.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,138,276.30 : 52,630,562.07 = 20,734,621.52 : x
  2. Step 2: Convert to fraction form
    38,138,276.30/52,630,562.07 = 20,734,621.52/x
  3. Step 3: Cross multiply
    38,138,276.30x = 52,630,562.07 × 20,734,621.52
  4. Step 4: Simplify right side
    38,138,276.30x = 1,091,274,784,643,165
  5. Step 5: Solve for x
    x = 1,091,274,784,643,165/38,138,276.30
  6. Step 6: Final answer
    x = 28,613,636.76

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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.