Home / 7,254,210.33-10,010,809.92-3,990,955.06

Finding the Fourth Proportional to 7,254,210.33, 10,010,809.92 and 3,990,955.06

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Solution

The fourth proportional to 7,254,210.33, 10,010,809.92 and 3,990,955.06 is: 5,507,517.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,254,210.33 : 10,010,809.92 = 3,990,955.06 : x
  2. Step 2: Convert to fraction form
    7,254,210.33/10,010,809.92 = 3,990,955.06/x
  3. Step 3: Cross multiply
    7,254,210.33x = 10,010,809.92 × 3,990,955.06
  4. Step 4: Simplify right side
    7,254,210.33x = 39,952,692,504,922.20
  5. Step 5: Solve for x
    x = 39,952,692,504,922.20/7,254,210.33
  6. Step 6: Final answer
    x = 5,507,517.80

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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.