Home / 12,983,198.48-19,476,569.49-5,408,392.76

Finding the Fourth Proportional to 12,983,198.48, 19,476,569.49 and 5,408,392.76

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Solution

The fourth proportional to 12,983,198.48, 19,476,569.49 and 5,408,392.76 is: 8,113,327.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,983,198.48 : 19,476,569.49 = 5,408,392.76 : x
  2. Step 2: Convert to fraction form
    12,983,198.48/19,476,569.49 = 5,408,392.76/x
  3. Step 3: Cross multiply
    12,983,198.48x = 19,476,569.49 × 5,408,392.76
  4. Step 4: Simplify right side
    12,983,198.48x = 105,336,937,419,352.88
  5. Step 5: Solve for x
    x = 105,336,937,419,352.88/12,983,198.48
  6. Step 6: Final answer
    x = 8,113,327.20

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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.