Home / 50,979,627.60-76,458,814.20-18,646,760.40

Finding the Fourth Proportional to 50,979,627.60, 76,458,814.20 and 18,646,760.40

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Solution

The fourth proportional to 50,979,627.60, 76,458,814.20 and 18,646,760.40 is: 27,966,253.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,979,627.60 : 76,458,814.20 = 18,646,760.40 : x
  2. Step 2: Convert to fraction form
    50,979,627.60/76,458,814.20 = 18,646,760.40/x
  3. Step 3: Cross multiply
    50,979,627.60x = 76,458,814.20 × 18,646,760.40
  4. Step 4: Simplify right side
    50,979,627.60x = 1,425,709,188,855,517.50
  5. Step 5: Solve for x
    x = 1,425,709,188,855,517.50/50,979,627.60
  6. Step 6: Final answer
    x = 27,966,253.50

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1.5x scale

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.