Home / 12,891,063.60-19,336,560.84-4,803,855.12

Finding the Fourth Proportional to 12,891,063.60, 19,336,560.84 and 4,803,855.12

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Solution

The fourth proportional to 12,891,063.60, 19,336,560.84 and 4,803,855.12 is: 7,205,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891,063.60 : 19,336,560.84 = 4,803,855.12 : x
  2. Step 2: Convert to fraction form
    12,891,063.60/19,336,560.84 = 4,803,855.12/x
  3. Step 3: Cross multiply
    12,891,063.60x = 19,336,560.84 × 4,803,855.12
  4. Step 4: Simplify right side
    12,891,063.60x = 92,890,036,794,425.50
  5. Step 5: Solve for x
    x = 92,890,036,794,425.50/12,891,063.60
  6. Step 6: Final answer
    x = 7,205,769.80

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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.