Home / 12,425,658.54-18,629,827.65-5,505,376.39

Finding the Fourth Proportional to 12,425,658.54, 18,629,827.65 and 5,505,376.39

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Solution

The fourth proportional to 12,425,658.54, 18,629,827.65 and 5,505,376.39 is: 8,254,227.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425,658.54 : 18,629,827.65 = 5,505,376.39 : x
  2. Step 2: Convert to fraction form
    12,425,658.54/18,629,827.65 = 5,505,376.39/x
  3. Step 3: Cross multiply
    12,425,658.54x = 18,629,827.65 × 5,505,376.39
  4. Step 4: Simplify right side
    12,425,658.54x = 102,564,213,294,079.17
  5. Step 5: Solve for x
    x = 102,564,213,294,079.17/12,425,658.54
  6. Step 6: Final answer
    x = 8,254,227.57

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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.