Home / 26,719,252.80-40,047,386.40-19,979,793.60

Finding the Fourth Proportional to 26,719,252.80, 40,047,386.40 and 19,979,793.60

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Solution

The fourth proportional to 26,719,252.80, 40,047,386.40 and 19,979,793.60 is: 29,946,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719,252.80 : 40,047,386.40 = 19,979,793.60 : x
  2. Step 2: Convert to fraction form
    26,719,252.80/40,047,386.40 = 19,979,793.60/x
  3. Step 3: Cross multiply
    26,719,252.80x = 40,047,386.40 × 19,979,793.60
  4. Step 4: Simplify right side
    26,719,252.80x = 800,138,514,491,447.12
  5. Step 5: Solve for x
    x = 800,138,514,491,447.12/26,719,252.80
  6. Step 6: Final answer
    x = 29,946,141.10

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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.