Home / 18,146,941.60-25,042,768-9,998,179.52

Finding the Fourth Proportional to 18,146,941.60, 25,042,768 and 9,998,179.52

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Solution

The fourth proportional to 18,146,941.60, 25,042,768 and 9,998,179.52 is: 13,797,481.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146,941.60 : 25,042,768 = 9,998,179.52 : x
  2. Step 2: Convert to fraction form
    18,146,941.60/25,042,768 = 9,998,179.52/x
  3. Step 3: Cross multiply
    18,146,941.60x = 25,042,768 × 9,998,179.52
  4. Step 4: Simplify right side
    18,146,941.60x = 250,382,090,141,711.34
  5. Step 5: Solve for x
    x = 250,382,090,141,711.34/18,146,941.60
  6. Step 6: Final answer
    x = 13,797,481.45

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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.