Home / 9,251,231.40-12,766,588.74-5,176,883.88

Finding the Fourth Proportional to 9,251,231.40, 12,766,588.74 and 5,176,883.88

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Solution

The fourth proportional to 9,251,231.40, 12,766,588.74 and 5,176,883.88 is: 7,144,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251,231.40 : 12,766,588.74 = 5,176,883.88 : x
  2. Step 2: Convert to fraction form
    9,251,231.40/12,766,588.74 = 5,176,883.88/x
  3. Step 3: Cross multiply
    9,251,231.40x = 12,766,588.74 × 5,176,883.88
  4. Step 4: Simplify right side
    9,251,231.40x = 66,091,147,450,695.51
  5. Step 5: Solve for x
    x = 66,091,147,450,695.51/9,251,231.40
  6. Step 6: Final answer
    x = 7,144,037.87

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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.