Home / 7,146,272.12-9,861,682.28-4,006,327.77

Finding the Fourth Proportional to 7,146,272.12, 9,861,682.28 and 4,006,327.77

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Solution

The fourth proportional to 7,146,272.12, 9,861,682.28 and 4,006,327.77 is: 5,528,635.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146,272.12 : 9,861,682.28 = 4,006,327.77 : x
  2. Step 2: Convert to fraction form
    7,146,272.12/9,861,682.28 = 4,006,327.77/x
  3. Step 3: Cross multiply
    7,146,272.12x = 9,861,682.28 × 4,006,327.77
  4. Step 4: Simplify right side
    7,146,272.12x = 39,509,131,557,249.28
  5. Step 5: Solve for x
    x = 39,509,131,557,249.28/7,146,272.12
  6. Step 6: Final answer
    x = 5,528,635.20

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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.