Home / 7,204,120.68-9,941,656.80-3,896,418.58

Finding the Fourth Proportional to 7,204,120.68, 9,941,656.80 and 3,896,418.58

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Solution

The fourth proportional to 7,204,120.68, 9,941,656.80 and 3,896,418.58 is: 5,377,041.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,204,120.68 : 9,941,656.80 = 3,896,418.58 : x
  2. Step 2: Convert to fraction form
    7,204,120.68/9,941,656.80 = 3,896,418.58/x
  3. Step 3: Cross multiply
    7,204,120.68x = 9,941,656.80 × 3,896,418.58
  4. Step 4: Simplify right side
    7,204,120.68x = 38,736,856,271,503.34
  5. Step 5: Solve for x
    x = 38,736,856,271,503.34/7,204,120.68
  6. Step 6: Final answer
    x = 5,377,041.56

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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.