Home / 7,237,699.52-9,988,034.24-3,974,724.64

Finding the Fourth Proportional to 7,237,699.52, 9,988,034.24 and 3,974,724.64

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Solution

The fourth proportional to 7,237,699.52, 9,988,034.24 and 3,974,724.64 is: 5,485,124.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237,699.52 : 9,988,034.24 = 3,974,724.64 : x
  2. Step 2: Convert to fraction form
    7,237,699.52/9,988,034.24 = 3,974,724.64/x
  3. Step 3: Cross multiply
    7,237,699.52x = 9,988,034.24 × 3,974,724.64
  4. Step 4: Simplify right side
    7,237,699.52x = 39,699,685,798,891.68
  5. Step 5: Solve for x
    x = 39,699,685,798,891.68/7,237,699.52
  6. Step 6: Final answer
    x = 5,485,124.89

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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.