Home / 12,418,904.58-18,627,046.70-3,321,920.20

Finding the Fourth Proportional to 12,418,904.58, 18,627,046.70 and 3,321,920.20

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Solution

The fourth proportional to 12,418,904.58, 18,627,046.70 and 3,321,920.20 is: 4,982,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418,904.58 : 18,627,046.70 = 3,321,920.20 : x
  2. Step 2: Convert to fraction form
    12,418,904.58/18,627,046.70 = 3,321,920.20/x
  3. Step 3: Cross multiply
    12,418,904.58x = 18,627,046.70 × 3,321,920.20
  4. Step 4: Simplify right side
    12,418,904.58x = 61,877,562,699,073.34
  5. Step 5: Solve for x
    x = 61,877,562,699,073.34/12,418,904.58
  6. Step 6: Final answer
    x = 4,982,529.84

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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.