Home / 12,302,848.60-18,454,272.90-5,479,408.60

Finding the Fourth Proportional to 12,302,848.60, 18,454,272.90 and 5,479,408.60

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Solution

The fourth proportional to 12,302,848.60, 18,454,272.90 and 5,479,408.60 is: 8,219,112.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,302,848.60 : 18,454,272.90 = 5,479,408.60 : x
  2. Step 2: Convert to fraction form
    12,302,848.60/18,454,272.90 = 5,479,408.60/x
  3. Step 3: Cross multiply
    12,302,848.60x = 18,454,272.90 × 5,479,408.60
  4. Step 4: Simplify right side
    12,302,848.60x = 101,118,501,635,006.92
  5. Step 5: Solve for x
    x = 101,118,501,635,006.92/12,302,848.60
  6. Step 6: Final answer
    x = 8,219,112.90

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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.