Home / 12,146,795.98-18,220,228.53-3,511,599.39

Finding the Fourth Proportional to 12,146,795.98, 18,220,228.53 and 3,511,599.39

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Solution

The fourth proportional to 12,146,795.98, 18,220,228.53 and 3,511,599.39 is: 5,267,409.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,146,795.98 : 18,220,228.53 = 3,511,599.39 : x
  2. Step 2: Convert to fraction form
    12,146,795.98/18,220,228.53 = 3,511,599.39/x
  3. Step 3: Cross multiply
    12,146,795.98x = 18,220,228.53 × 3,511,599.39
  4. Step 4: Simplify right side
    12,146,795.98x = 63,982,143,356,826.58
  5. Step 5: Solve for x
    x = 63,982,143,356,826.58/12,146,795.98
  6. Step 6: Final answer
    x = 5,267,409.07

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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.