Home / 7,254,021.31-10,010,549.30-3,990,766.01

Finding the Fourth Proportional to 7,254,021.31, 10,010,549.30 and 3,990,766.01

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Solution

The fourth proportional to 7,254,021.31, 10,010,549.30 and 3,990,766.01 is: 5,507,257.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,021.31 : 10,010,549.30 = 3,990,766.01 : x
  2. Step 2: Convert to fraction form
    7,254,021.31/10,010,549.30 = 3,990,766.01/x
  3. Step 3: Cross multiply
    7,254,021.31x = 10,010,549.30 × 3,990,766.01
  4. Step 4: Simplify right side
    7,254,021.31x = 39,949,759,817,862.72
  5. Step 5: Solve for x
    x = 39,949,759,817,862.72/7,254,021.31
  6. Step 6: Final answer
    x = 5,507,257.03

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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.