Home / 13,342,607.24-20,015,530.31-3,757,985.78

Finding the Fourth Proportional to 13,342,607.24, 20,015,530.31 and 3,757,985.78

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Solution

The fourth proportional to 13,342,607.24, 20,015,530.31 and 3,757,985.78 is: 5,637,434.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342,607.24 : 20,015,530.31 = 3,757,985.78 : x
  2. Step 2: Convert to fraction form
    13,342,607.24/20,015,530.31 = 3,757,985.78/x
  3. Step 3: Cross multiply
    13,342,607.24x = 20,015,530.31 × 3,757,985.78
  4. Step 4: Simplify right side
    13,342,607.24x = 75,218,078,179,363.86
  5. Step 5: Solve for x
    x = 75,218,078,179,363.86/13,342,607.24
  6. Step 6: Final answer
    x = 5,637,434.79

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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.