Home / 6,913,620.80-10,369,048.80-3,319,380.80

Finding the Fourth Proportional to 6,913,620.80, 10,369,048.80 and 3,319,380.80

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Solution

The fourth proportional to 6,913,620.80, 10,369,048.80 and 3,319,380.80 is: 4,978,407.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913,620.80 : 10,369,048.80 = 3,319,380.80 : x
  2. Step 2: Convert to fraction form
    6,913,620.80/10,369,048.80 = 3,319,380.80/x
  3. Step 3: Cross multiply
    6,913,620.80x = 10,369,048.80 × 3,319,380.80
  4. Step 4: Simplify right side
    6,913,620.80x = 34,418,821,500,983.04
  5. Step 5: Solve for x
    x = 34,418,821,500,983.04/6,913,620.80
  6. Step 6: Final answer
    x = 4,978,407.48

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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.