Home / 7,753,680.98-10,703,391.57-5,519,900.54

Finding the Fourth Proportional to 7,753,680.98, 10,703,391.57 and 5,519,900.54

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Solution

The fourth proportional to 7,753,680.98, 10,703,391.57 and 5,519,900.54 is: 7,619,820.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,753,680.98 : 10,703,391.57 = 5,519,900.54 : x
  2. Step 2: Convert to fraction form
    7,753,680.98/10,703,391.57 = 5,519,900.54/x
  3. Step 3: Cross multiply
    7,753,680.98x = 10,703,391.57 × 5,519,900.54
  4. Step 4: Simplify right side
    7,753,680.98x = 59,081,656,907,074.45
  5. Step 5: Solve for x
    x = 59,081,656,907,074.45/7,753,680.98
  6. Step 6: Final answer
    x = 7,619,820.45

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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.