Home / 7,490,138.72-10,336,387.93-4,227,637.73

Finding the Fourth Proportional to 7,490,138.72, 10,336,387.93 and 4,227,637.73

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Solution

The fourth proportional to 7,490,138.72, 10,336,387.93 and 4,227,637.73 is: 5,834,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,490,138.72 : 10,336,387.93 = 4,227,637.73 : x
  2. Step 2: Convert to fraction form
    7,490,138.72/10,336,387.93 = 4,227,637.73/x
  3. Step 3: Cross multiply
    7,490,138.72x = 10,336,387.93 × 4,227,637.73
  4. Step 4: Simplify right side
    7,490,138.72x = 43,698,503,542,533.56
  5. Step 5: Solve for x
    x = 43,698,503,542,533.56/7,490,138.72
  6. Step 6: Final answer
    x = 5,834,138.09

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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.