Home / 20,515,400.52-28,163,000.10-17,609,746.92

Finding the Fourth Proportional to 20,515,400.52, 28,163,000.10 and 17,609,746.92

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Solution

The fourth proportional to 20,515,400.52, 28,163,000.10 and 17,609,746.92 is: 24,174,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,515,400.52 : 28,163,000.10 = 17,609,746.92 : x
  2. Step 2: Convert to fraction form
    20,515,400.52/28,163,000.10 = 17,609,746.92/x
  3. Step 3: Cross multiply
    20,515,400.52x = 28,163,000.10 × 17,609,746.92
  4. Step 4: Simplify right side
    20,515,400.52x = 495,943,304,268,934.75
  5. Step 5: Solve for x
    x = 495,943,304,268,934.75/20,515,400.52
  6. Step 6: Final answer
    x = 24,174,195.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.