Home / 6,481,648.80-9,720,140.40-3,285,712.80

Finding the Fourth Proportional to 6,481,648.80, 9,720,140.40 and 3,285,712.80

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Solution

The fourth proportional to 6,481,648.80, 9,720,140.40 and 3,285,712.80 is: 4,927,386.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481,648.80 : 9,720,140.40 = 3,285,712.80 : x
  2. Step 2: Convert to fraction form
    6,481,648.80/9,720,140.40 = 3,285,712.80/x
  3. Step 3: Cross multiply
    6,481,648.80x = 9,720,140.40 × 3,285,712.80
  4. Step 4: Simplify right side
    6,481,648.80x = 31,937,589,730,077.12
  5. Step 5: Solve for x
    x = 31,937,589,730,077.12/6,481,648.80
  6. Step 6: Final answer
    x = 4,927,386.64

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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.