Home / 12,744,130.58-19,109,109.17-4,219,816.94

Finding the Fourth Proportional to 12,744,130.58, 19,109,109.17 and 4,219,816.94

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Solution

The fourth proportional to 12,744,130.58, 19,109,109.17 and 4,219,816.94 is: 6,327,378.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,744,130.58 : 19,109,109.17 = 4,219,816.94 : x
  2. Step 2: Convert to fraction form
    12,744,130.58/19,109,109.17 = 4,219,816.94/x
  3. Step 3: Cross multiply
    12,744,130.58x = 19,109,109.17 × 4,219,816.94
  4. Step 4: Simplify right side
    12,744,130.58x = 80,636,942,467,230.70
  5. Step 5: Solve for x
    x = 80,636,942,467,230.70/12,744,130.58
  6. Step 6: Final answer
    x = 6,327,378.87

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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.