Home / 20,746,113.60-31,081,845.60-17,760,129.60

Finding the Fourth Proportional to 20,746,113.60, 31,081,845.60 and 17,760,129.60

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Solution

The fourth proportional to 20,746,113.60, 31,081,845.60 and 17,760,129.60 is: 26,608,241.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,746,113.60 : 31,081,845.60 = 17,760,129.60 : x
  2. Step 2: Convert to fraction form
    20,746,113.60/31,081,845.60 = 17,760,129.60/x
  3. Step 3: Cross multiply
    20,746,113.60x = 31,081,845.60 × 17,760,129.60
  4. Step 4: Simplify right side
    20,746,113.60x = 552,017,606,063,189.81
  5. Step 5: Solve for x
    x = 552,017,606,063,189.81/20,746,113.60
  6. Step 6: Final answer
    x = 26,608,241.75

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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.