Home / 28,723,207.70-43,084,811.55-19,653,281.30

Finding the Fourth Proportional to 28,723,207.70, 43,084,811.55 and 19,653,281.30

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Solution

The fourth proportional to 28,723,207.70, 43,084,811.55 and 19,653,281.30 is: 29,479,921.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,723,207.70 : 43,084,811.55 = 19,653,281.30 : x
  2. Step 2: Convert to fraction form
    28,723,207.70/43,084,811.55 = 19,653,281.30/x
  3. Step 3: Cross multiply
    28,723,207.70x = 43,084,811.55 × 19,653,281.30
  4. Step 4: Simplify right side
    28,723,207.70x = 846,757,921,149,639
  5. Step 5: Solve for x
    x = 846,757,921,149,639/28,723,207.70
  6. Step 6: Final answer
    x = 29,479,921.95

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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.