Home / 7,229,725.47-9,977,122.94-3,966,480.90

Finding the Fourth Proportional to 7,229,725.47, 9,977,122.94 and 3,966,480.90

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Solution

The fourth proportional to 7,229,725.47, 9,977,122.94 and 3,966,480.90 is: 5,473,799.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,229,725.47 : 9,977,122.94 = 3,966,480.90 : x
  2. Step 2: Convert to fraction form
    7,229,725.47/9,977,122.94 = 3,966,480.90/x
  3. Step 3: Cross multiply
    7,229,725.47x = 9,977,122.94 × 3,966,480.90
  4. Step 4: Simplify right side
    7,229,725.47x = 39,574,067,558,629.45
  5. Step 5: Solve for x
    x = 39,574,067,558,629.45/7,229,725.47
  6. Step 6: Final answer
    x = 5,473,799.49

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1.5x scale

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.