Home / 6,400,406.31-8,830,858.51-3,647,034.83

Finding the Fourth Proportional to 6,400,406.31, 8,830,858.51 and 3,647,034.83

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Solution

The fourth proportional to 6,400,406.31, 8,830,858.51 and 3,647,034.83 is: 5,031,938.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,400,406.31 : 8,830,858.51 = 3,647,034.83 : x
  2. Step 2: Convert to fraction form
    6,400,406.31/8,830,858.51 = 3,647,034.83/x
  3. Step 3: Cross multiply
    6,400,406.31x = 8,830,858.51 × 3,647,034.83
  4. Step 4: Simplify right side
    6,400,406.31x = 32,206,448,564,771.90
  5. Step 5: Solve for x
    x = 32,206,448,564,771.90/6,400,406.31
  6. Step 6: Final answer
    x = 5,031,938.13

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1.5x scale

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.