Home / 22,930,479.30-31,640,448.51-13,139,039.73

Finding the Fourth Proportional to 22,930,479.30, 31,640,448.51 and 13,139,039.73

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Solution

The fourth proportional to 22,930,479.30, 31,640,448.51 and 13,139,039.73 is: 18,129,804.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930,479.30 : 31,640,448.51 = 13,139,039.73 : x
  2. Step 2: Convert to fraction form
    22,930,479.30/31,640,448.51 = 13,139,039.73/x
  3. Step 3: Cross multiply
    22,930,479.30x = 31,640,448.51 × 13,139,039.73
  4. Step 4: Simplify right side
    22,930,479.30x = 415,725,110,047,909.31
  5. Step 5: Solve for x
    x = 415,725,110,047,909.31/22,930,479.30
  6. Step 6: Final answer
    x = 18,129,804.64

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