Home / 8,635,574.82-11,912,097.48-5,579,789.07

Finding the Fourth Proportional to 8,635,574.82, 11,912,097.48 and 5,579,789.07

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Solution

The fourth proportional to 8,635,574.82, 11,912,097.48 and 5,579,789.07 is: 7,696,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635,574.82 : 11,912,097.48 = 5,579,789.07 : x
  2. Step 2: Convert to fraction form
    8,635,574.82/11,912,097.48 = 5,579,789.07/x
  3. Step 3: Cross multiply
    8,635,574.82x = 11,912,097.48 × 5,579,789.07
  4. Step 4: Simplify right side
    8,635,574.82x = 66,466,991,319,678.55
  5. Step 5: Solve for x
    x = 66,466,991,319,678.55/8,635,574.82
  6. Step 6: Final answer
    x = 7,696,880.95

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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.