Home / 14,279,758.28-19,706,408.88-7,753,662.80

Finding the Fourth Proportional to 14,279,758.28, 19,706,408.88 and 7,753,662.80

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Solution

The fourth proportional to 14,279,758.28, 19,706,408.88 and 7,753,662.80 is: 10,700,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,279,758.28 : 19,706,408.88 = 7,753,662.80 : x
  2. Step 2: Convert to fraction form
    14,279,758.28/19,706,408.88 = 7,753,662.80/x
  3. Step 3: Cross multiply
    14,279,758.28x = 19,706,408.88 × 7,753,662.80
  4. Step 4: Simplify right side
    14,279,758.28x = 152,796,849,454,445.66
  5. Step 5: Solve for x
    x = 152,796,849,454,445.66/14,279,758.28
  6. Step 6: Final answer
    x = 10,700,240.61

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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.