Home / 7,175,117.37-9,901,659.12-3,911,934.77

Finding the Fourth Proportional to 7,175,117.37, 9,901,659.12 and 3,911,934.77

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Solution

The fourth proportional to 7,175,117.37, 9,901,659.12 and 3,911,934.77 is: 5,398,468.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,117.37 : 9,901,659.12 = 3,911,934.77 : x
  2. Step 2: Convert to fraction form
    7,175,117.37/9,901,659.12 = 3,911,934.77/x
  3. Step 3: Cross multiply
    7,175,117.37x = 9,901,659.12 × 3,911,934.77
  4. Step 4: Simplify right side
    7,175,117.37x = 38,734,644,592,215.60
  5. Step 5: Solve for x
    x = 38,734,644,592,215.60/7,175,117.37
  6. Step 6: Final answer
    x = 5,398,468.43

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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.