Home / 22,930,477.30-31,640,445.75-13,139,037.73

Finding the Fourth Proportional to 22,930,477.30, 31,640,445.75 and 13,139,037.73

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Solution

The fourth proportional to 22,930,477.30, 31,640,445.75 and 13,139,037.73 is: 18,129,801.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930,477.30 : 31,640,445.75 = 13,139,037.73 : x
  2. Step 2: Convert to fraction form
    22,930,477.30/31,640,445.75 = 13,139,037.73/x
  3. Step 3: Cross multiply
    22,930,477.30x = 31,640,445.75 × 13,139,037.73
  4. Step 4: Simplify right side
    22,930,477.30x = 415,725,010,503,268.19
  5. Step 5: Solve for x
    x = 415,725,010,503,268.19/22,930,477.30
  6. Step 6: Final answer
    x = 18,129,801.88

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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.