Home / 28,723,207.20-43,084,810.80-19,653,280.80

Finding the Fourth Proportional to 28,723,207.20, 43,084,810.80 and 19,653,280.80

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Solution

The fourth proportional to 28,723,207.20, 43,084,810.80 and 19,653,280.80 is: 29,479,921.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,207.20 : 43,084,810.80 = 19,653,280.80 : x
  2. Step 2: Convert to fraction form
    28,723,207.20/43,084,810.80 = 19,653,280.80/x
  3. Step 3: Cross multiply
    28,723,207.20x = 43,084,810.80 × 19,653,280.80
  4. Step 4: Simplify right side
    28,723,207.20x = 846,757,884,867,272.62
  5. Step 5: Solve for x
    x = 846,757,884,867,272.62/28,723,207.20
  6. Step 6: Final answer
    x = 29,479,921.20

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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.