Home / 7,272,181.25-10,035,721.36-3,964,477.70

Finding the Fourth Proportional to 7,272,181.25, 10,035,721.36 and 3,964,477.70

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Solution

The fourth proportional to 7,272,181.25, 10,035,721.36 and 3,964,477.70 is: 5,471,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,272,181.25 : 10,035,721.36 = 3,964,477.70 : x
  2. Step 2: Convert to fraction form
    7,272,181.25/10,035,721.36 = 3,964,477.70/x
  3. Step 3: Cross multiply
    7,272,181.25x = 10,035,721.36 × 3,964,477.70
  4. Step 4: Simplify right side
    7,272,181.25x = 39,786,393,565,178.57
  5. Step 5: Solve for x
    x = 39,786,393,565,178.57/7,272,181.25
  6. Step 6: Final answer
    x = 5,471,039.87

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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.