Home / 6,990,685.47-9,646,950.71-3,893,208

Finding the Fourth Proportional to 6,990,685.47, 9,646,950.71 and 3,893,208

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Solution

The fourth proportional to 6,990,685.47, 9,646,950.71 and 3,893,208 is: 5,372,518.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990,685.47 : 9,646,950.71 = 3,893,208 : x
  2. Step 2: Convert to fraction form
    6,990,685.47/9,646,950.71 = 3,893,208/x
  3. Step 3: Cross multiply
    6,990,685.47x = 9,646,950.71 × 3,893,208
  4. Step 4: Simplify right side
    6,990,685.47x = 37,557,585,660,311.64
  5. Step 5: Solve for x
    x = 37,557,585,660,311.64/6,990,685.47
  6. Step 6: Final answer
    x = 5,372,518.31

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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.