Home / 7,254,029.88-10,010,561.02-3,990,774.38

Finding the Fourth Proportional to 7,254,029.88, 10,010,561.02 and 3,990,774.38

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Solution

The fourth proportional to 7,254,029.88, 10,010,561.02 and 3,990,774.38 is: 5,507,268.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,029.88 : 10,010,561.02 = 3,990,774.38 : x
  2. Step 2: Convert to fraction form
    7,254,029.88/10,010,561.02 = 3,990,774.38/x
  3. Step 3: Cross multiply
    7,254,029.88x = 10,010,561.02 × 3,990,774.38
  4. Step 4: Simplify right side
    7,254,029.88x = 39,949,890,448,042.66
  5. Step 5: Solve for x
    x = 39,949,890,448,042.66/7,254,029.88
  6. Step 6: Final answer
    x = 5,507,268.53

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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.