Home / 12,930,261.99-19,408,014.74-10,678,723.65

Finding the Fourth Proportional to 12,930,261.99, 19,408,014.74 and 10,678,723.65

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Solution

The fourth proportional to 12,930,261.99, 19,408,014.74 and 10,678,723.65 is: 16,028,509.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,930,261.99 : 19,408,014.74 = 10,678,723.65 : x
  2. Step 2: Convert to fraction form
    12,930,261.99/19,408,014.74 = 10,678,723.65/x
  3. Step 3: Cross multiply
    12,930,261.99x = 19,408,014.74 × 10,678,723.65
  4. Step 4: Simplify right side
    12,930,261.99x = 207,252,825,950,192.97
  5. Step 5: Solve for x
    x = 207,252,825,950,192.97/12,930,261.99
  6. Step 6: Final answer
    x = 16,028,509.41

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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.