Home / 14,719,396.80-20,312,768.52-8,192,885.76

Finding the Fourth Proportional to 14,719,396.80, 20,312,768.52 and 8,192,885.76

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Solution

The fourth proportional to 14,719,396.80, 20,312,768.52 and 8,192,885.76 is: 11,306,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,719,396.80 : 20,312,768.52 = 8,192,885.76 : x
  2. Step 2: Convert to fraction form
    14,719,396.80/20,312,768.52 = 8,192,885.76/x
  3. Step 3: Cross multiply
    14,719,396.80x = 20,312,768.52 × 8,192,885.76
  4. Step 4: Simplify right side
    14,719,396.80x = 166,420,191,953,684.28
  5. Step 5: Solve for x
    x = 166,420,191,953,684.28/14,719,396.80
  6. Step 6: Final answer
    x = 11,306,182.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.