Home / 15,560,651.84-23,340,647.88-5,186,620.98

Finding the Fourth Proportional to 15,560,651.84, 23,340,647.88 and 5,186,620.98

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Solution

The fourth proportional to 15,560,651.84, 23,340,647.88 and 5,186,620.98 is: 7,779,821.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,560,651.84 : 23,340,647.88 = 5,186,620.98 : x
  2. Step 2: Convert to fraction form
    15,560,651.84/23,340,647.88 = 5,186,620.98/x
  3. Step 3: Cross multiply
    15,560,651.84x = 23,340,647.88 × 5,186,620.98
  4. Step 4: Simplify right side
    15,560,651.84x = 121,059,093,981,200.53
  5. Step 5: Solve for x
    x = 121,059,093,981,200.53/15,560,651.84
  6. Step 6: Final answer
    x = 7,779,821.52

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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.