Home / 11,986,152.40-17,979,870.43-3,788,170.98

Finding the Fourth Proportional to 11,986,152.40, 17,979,870.43 and 3,788,170.98

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Solution

The fourth proportional to 11,986,152.40, 17,979,870.43 and 3,788,170.98 is: 5,682,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,986,152.40 : 17,979,870.43 = 3,788,170.98 : x
  2. Step 2: Convert to fraction form
    11,986,152.40/17,979,870.43 = 3,788,170.98/x
  3. Step 3: Cross multiply
    11,986,152.40x = 17,979,870.43 × 3,788,170.98
  4. Step 4: Simplify right side
    11,986,152.40x = 68,110,823,287,716.34
  5. Step 5: Solve for x
    x = 68,110,823,287,716.34/11,986,152.40
  6. Step 6: Final answer
    x = 5,682,459.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.