Home / 12,228,540.54-16,868,338.26-7,636,890.30

Finding the Fourth Proportional to 12,228,540.54, 16,868,338.26 and 7,636,890.30

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Solution

The fourth proportional to 12,228,540.54, 16,868,338.26 and 7,636,890.30 is: 10,534,507.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,228,540.54 : 16,868,338.26 = 7,636,890.30 : x
  2. Step 2: Convert to fraction form
    12,228,540.54/16,868,338.26 = 7,636,890.30/x
  3. Step 3: Cross multiply
    12,228,540.54x = 16,868,338.26 × 7,636,890.30
  4. Step 4: Simplify right side
    12,228,540.54x = 128,821,648,834,912.89
  5. Step 5: Solve for x
    x = 128,821,648,834,912.89/12,228,540.54
  6. Step 6: Final answer
    x = 10,534,507.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.