Home / 38,715,894.51-58,082,591.13-12,808,134.82

Finding the Fourth Proportional to 38,715,894.51, 58,082,591.13 and 12,808,134.82

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Solution

The fourth proportional to 38,715,894.51, 58,082,591.13 and 12,808,134.82 is: 19,215,096.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,715,894.51 : 58,082,591.13 = 12,808,134.82 : x
  2. Step 2: Convert to fraction form
    38,715,894.51/58,082,591.13 = 12,808,134.82/x
  3. Step 3: Cross multiply
    38,715,894.51x = 58,082,591.13 × 12,808,134.82
  4. Step 4: Simplify right side
    38,715,894.51x = 743,929,657,912,548.88
  5. Step 5: Solve for x
    x = 743,929,657,912,548.88/38,715,894.51
  6. Step 6: Final answer
    x = 19,215,096.73

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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.