Home / 26,580,185.60-39,870,278.40-18,077,129.60

Finding the Fourth Proportional to 26,580,185.60, 39,870,278.40 and 18,077,129.60

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Solution

The fourth proportional to 26,580,185.60, 39,870,278.40 and 18,077,129.60 is: 27,115,694.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,580,185.60 : 39,870,278.40 = 18,077,129.60 : x
  2. Step 2: Convert to fraction form
    26,580,185.60/39,870,278.40 = 18,077,129.60/x
  3. Step 3: Cross multiply
    26,580,185.60x = 39,870,278.40 × 18,077,129.60
  4. Step 4: Simplify right side
    26,580,185.60x = 720,740,189,824,880.62
  5. Step 5: Solve for x
    x = 720,740,189,824,880.62/26,580,185.60
  6. Step 6: Final answer
    x = 27,115,694.40

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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.