Home / 6,400,404.57-8,830,856.09-3,647,033.07

Finding the Fourth Proportional to 6,400,404.57, 8,830,856.09 and 3,647,033.07

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Solution

The fourth proportional to 6,400,404.57, 8,830,856.09 and 3,647,033.07 is: 5,031,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,404.57 : 8,830,856.09 = 3,647,033.07 : x
  2. Step 2: Convert to fraction form
    6,400,404.57/8,830,856.09 = 3,647,033.07/x
  3. Step 3: Cross multiply
    6,400,404.57x = 8,830,856.09 × 3,647,033.07
  4. Step 4: Simplify right side
    6,400,404.57x = 32,206,424,236,895.84
  5. Step 5: Solve for x
    x = 32,206,424,236,895.84/6,400,404.57
  6. Step 6: Final answer
    x = 5,031,935.70

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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.