Home / 9,490,500.78-14,238,178.74-2,758,914.78

Finding the Fourth Proportional to 9,490,500.78, 14,238,178.74 and 2,758,914.78

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Solution

The fourth proportional to 9,490,500.78, 14,238,178.74 and 2,758,914.78 is: 4,139,077.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,490,500.78 : 14,238,178.74 = 2,758,914.78 : x
  2. Step 2: Convert to fraction form
    9,490,500.78/14,238,178.74 = 2,758,914.78/x
  3. Step 3: Cross multiply
    9,490,500.78x = 14,238,178.74 × 2,758,914.78
  4. Step 4: Simplify right side
    9,490,500.78x = 39,281,921,766,067.77
  5. Step 5: Solve for x
    x = 39,281,921,766,067.77/9,490,500.78
  6. Step 6: Final answer
    x = 4,139,077.87

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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.