Home / 23,193,772.80-34,790,659.20-19,442,630.40

Finding the Fourth Proportional to 23,193,772.80, 34,790,659.20 and 19,442,630.40

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Solution

The fourth proportional to 23,193,772.80, 34,790,659.20 and 19,442,630.40 is: 29,163,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,193,772.80 : 34,790,659.20 = 19,442,630.40 : x
  2. Step 2: Convert to fraction form
    23,193,772.80/34,790,659.20 = 19,442,630.40/x
  3. Step 3: Cross multiply
    23,193,772.80x = 34,790,659.20 × 19,442,630.40
  4. Step 4: Simplify right side
    23,193,772.80x = 676,421,928,197,959.62
  5. Step 5: Solve for x
    x = 676,421,928,197,959.62/23,193,772.80
  6. Step 6: Final answer
    x = 29,163,945.60

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Double scale
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Similar ratio
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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.