Home / 31,892,674.85-47,857,579.20-13,447,462.88

Finding the Fourth Proportional to 31,892,674.85, 47,857,579.20 and 13,447,462.88

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Solution

The fourth proportional to 31,892,674.85, 47,857,579.20 and 13,447,462.88 is: 20,179,023.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,892,674.85 : 47,857,579.20 = 13,447,462.88 : x
  2. Step 2: Convert to fraction form
    31,892,674.85/47,857,579.20 = 13,447,462.88/x
  3. Step 3: Cross multiply
    31,892,674.85x = 47,857,579.20 × 13,447,462.88
  4. Step 4: Simplify right side
    31,892,674.85x = 643,563,019,579,372.25
  5. Step 5: Solve for x
    x = 643,563,019,579,372.25/31,892,674.85
  6. Step 6: Final answer
    x = 20,179,023.01

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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.