Home / 20,723,305.90-31,084,958.85-19,462,557.10

Finding the Fourth Proportional to 20,723,305.90, 31,084,958.85 and 19,462,557.10

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Solution

The fourth proportional to 20,723,305.90, 31,084,958.85 and 19,462,557.10 is: 29,193,835.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,305.90 : 31,084,958.85 = 19,462,557.10 : x
  2. Step 2: Convert to fraction form
    20,723,305.90/31,084,958.85 = 19,462,557.10/x
  3. Step 3: Cross multiply
    20,723,305.90x = 31,084,958.85 × 19,462,557.10
  4. Step 4: Simplify right side
    20,723,305.90x = 604,992,786,569,275.38
  5. Step 5: Solve for x
    x = 604,992,786,569,275.38/20,723,305.90
  6. Step 6: Final answer
    x = 29,193,835.65

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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.