Home / 7,889,830.20-11,827,639.80-2,837,588.04

Finding the Fourth Proportional to 7,889,830.20, 11,827,639.80 and 2,837,588.04

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Solution

The fourth proportional to 7,889,830.20, 11,827,639.80 and 2,837,588.04 is: 4,253,826.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889,830.20 : 11,827,639.80 = 2,837,588.04 : x
  2. Step 2: Convert to fraction form
    7,889,830.20/11,827,639.80 = 2,837,588.04/x
  3. Step 3: Cross multiply
    7,889,830.20x = 11,827,639.80 × 2,837,588.04
  4. Step 4: Simplify right side
    7,889,830.20x = 33,561,969,237,908.00
  5. Step 5: Solve for x
    x = 33,561,969,237,908.00/7,889,830.20
  6. Step 6: Final answer
    x = 4,253,826.56

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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.