Home / 6,387,813.20-9,581,719.80-5,964,798.80

Finding the Fourth Proportional to 6,387,813.20, 9,581,719.80 and 5,964,798.80

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Solution

The fourth proportional to 6,387,813.20, 9,581,719.80 and 5,964,798.80 is: 8,947,198.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387,813.20 : 9,581,719.80 = 5,964,798.80 : x
  2. Step 2: Convert to fraction form
    6,387,813.20/9,581,719.80 = 5,964,798.80/x
  3. Step 3: Cross multiply
    6,387,813.20x = 9,581,719.80 × 5,964,798.80
  4. Step 4: Simplify right side
    6,387,813.20x = 57,153,030,764,976.24
  5. Step 5: Solve for x
    x = 57,153,030,764,976.24/6,387,813.20
  6. Step 6: Final answer
    x = 8,947,198.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.