Home / 10,978,728.15-15,150,680.34-6,084,030.79

Finding the Fourth Proportional to 10,978,728.15, 15,150,680.34 and 6,084,030.79

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Solution

The fourth proportional to 10,978,728.15, 15,150,680.34 and 6,084,030.79 is: 8,395,982.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,978,728.15 : 15,150,680.34 = 6,084,030.79 : x
  2. Step 2: Convert to fraction form
    10,978,728.15/15,150,680.34 = 6,084,030.79/x
  3. Step 3: Cross multiply
    10,978,728.15x = 15,150,680.34 × 6,084,030.79
  4. Step 4: Simplify right side
    10,978,728.15x = 92,177,205,674,130.89
  5. Step 5: Solve for x
    x = 92,177,205,674,130.89/10,978,728.15
  6. Step 6: Final answer
    x = 8,395,982.16

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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.