Home / 10,862,843.40-16,296,233.40-5,457,891.60

Finding the Fourth Proportional to 10,862,843.40, 16,296,233.40 and 5,457,891.60

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Solution

The fourth proportional to 10,862,843.40, 16,296,233.40 and 5,457,891.60 is: 8,187,826.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,862,843.40 : 16,296,233.40 = 5,457,891.60 : x
  2. Step 2: Convert to fraction form
    10,862,843.40/16,296,233.40 = 5,457,891.60/x
  3. Step 3: Cross multiply
    10,862,843.40x = 16,296,233.40 × 5,457,891.60
  4. Step 4: Simplify right side
    10,862,843.40x = 88,943,075,385,499.44
  5. Step 5: Solve for x
    x = 88,943,075,385,499.44/10,862,843.40
  6. Step 6: Final answer
    x = 8,187,826.35

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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.