Home / 21,533,747.60-29,726,522.70-13,275,285.68

Finding the Fourth Proportional to 21,533,747.60, 29,726,522.70 and 13,275,285.68

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Solution

The fourth proportional to 21,533,747.60, 29,726,522.70 and 13,275,285.68 is: 18,326,028.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,533,747.60 : 29,726,522.70 = 13,275,285.68 : x
  2. Step 2: Convert to fraction form
    21,533,747.60/29,726,522.70 = 13,275,285.68/x
  3. Step 3: Cross multiply
    21,533,747.60x = 29,726,522.70 × 13,275,285.68
  4. Step 4: Simplify right side
    21,533,747.60x = 394,628,081,115,504.94
  5. Step 5: Solve for x
    x = 394,628,081,115,504.94/21,533,747.60
  6. Step 6: Final answer
    x = 18,326,028.91

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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.