Home / 12,108,954.60-18,153,144.45-5,635,788.96

Finding the Fourth Proportional to 12,108,954.60, 18,153,144.45 and 5,635,788.96

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Solution

The fourth proportional to 12,108,954.60, 18,153,144.45 and 5,635,788.96 is: 8,448,895.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,108,954.60 : 18,153,144.45 = 5,635,788.96 : x
  2. Step 2: Convert to fraction form
    12,108,954.60/18,153,144.45 = 5,635,788.96/x
  3. Step 3: Cross multiply
    12,108,954.60x = 18,153,144.45 × 5,635,788.96
  4. Step 4: Simplify right side
    12,108,954.60x = 102,307,291,080,595.27
  5. Step 5: Solve for x
    x = 102,307,291,080,595.27/12,108,954.60
  6. Step 6: Final answer
    x = 8,448,895.42

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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.