Home / 9,106,076.40-12,567,102.24-5,185,999.20

Finding the Fourth Proportional to 9,106,076.40, 12,567,102.24 and 5,185,999.20

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Solution

The fourth proportional to 9,106,076.40, 12,567,102.24 and 5,185,999.20 is: 7,157,087.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106,076.40 : 12,567,102.24 = 5,185,999.20 : x
  2. Step 2: Convert to fraction form
    9,106,076.40/12,567,102.24 = 5,185,999.20/x
  3. Step 3: Cross multiply
    9,106,076.40x = 12,567,102.24 × 5,185,999.20
  4. Step 4: Simplify right side
    9,106,076.40x = 65,172,982,162,958.21
  5. Step 5: Solve for x
    x = 65,172,982,162,958.21/9,106,076.40
  6. Step 6: Final answer
    x = 7,157,087.13

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1.5x scale

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.