Home / 7,175,117.25-9,901,658.95-3,911,934.64

Finding the Fourth Proportional to 7,175,117.25, 9,901,658.95 and 3,911,934.64

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Solution

The fourth proportional to 7,175,117.25, 9,901,658.95 and 3,911,934.64 is: 5,398,468.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,175,117.25 : 9,901,658.95 = 3,911,934.64 : x
  2. Step 2: Convert to fraction form
    7,175,117.25/9,901,658.95 = 3,911,934.64/x
  3. Step 3: Cross multiply
    7,175,117.25x = 9,901,658.95 × 3,911,934.64
  4. Step 4: Simplify right side
    7,175,117.25x = 38,734,642,639,971.02
  5. Step 5: Solve for x
    x = 38,734,642,639,971.02/7,175,117.25
  6. Step 6: Final answer
    x = 5,398,468.25

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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.