Home / 12,983,553.62-19,477,102.68-5,408,747.90

Finding the Fourth Proportional to 12,983,553.62, 19,477,102.68 and 5,408,747.90

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Solution

The fourth proportional to 12,983,553.62, 19,477,102.68 and 5,408,747.90 is: 8,113,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,553.62 : 19,477,102.68 = 5,408,747.90 : x
  2. Step 2: Convert to fraction form
    12,983,553.62/19,477,102.68 = 5,408,747.90/x
  3. Step 3: Cross multiply
    12,983,553.62x = 19,477,102.68 × 5,408,747.90
  4. Step 4: Simplify right side
    12,983,553.62x = 105,346,738,218,534.38
  5. Step 5: Solve for x
    x = 105,346,738,218,534.38/12,983,553.62
  6. Step 6: Final answer
    x = 8,113,860.14

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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.