Home / 20,433,685.60-30,641,644.80-5,857,394.88

Finding the Fourth Proportional to 20,433,685.60, 30,641,644.80 and 5,857,394.88

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Solution

The fourth proportional to 20,433,685.60, 30,641,644.80 and 5,857,394.88 is: 8,783,545.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,433,685.60 : 30,641,644.80 = 5,857,394.88 : x
  2. Step 2: Convert to fraction form
    20,433,685.60/30,641,644.80 = 5,857,394.88/x
  3. Step 3: Cross multiply
    20,433,685.60x = 30,641,644.80 × 5,857,394.88
  4. Step 4: Simplify right side
    20,433,685.60x = 179,480,213,366,298.62
  5. Step 5: Solve for x
    x = 179,480,213,366,298.62/20,433,685.60
  6. Step 6: Final answer
    x = 8,783,545.80

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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.