Home / 13,270,845.74-18,310,066.16-8,559,247.55

Finding the Fourth Proportional to 13,270,845.74, 18,310,066.16 and 8,559,247.55

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Solution

The fourth proportional to 13,270,845.74, 18,310,066.16 and 8,559,247.55 is: 11,809,374.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,845.74 : 18,310,066.16 = 8,559,247.55 : x
  2. Step 2: Convert to fraction form
    13,270,845.74/18,310,066.16 = 8,559,247.55/x
  3. Step 3: Cross multiply
    13,270,845.74x = 18,310,066.16 × 8,559,247.55
  4. Step 4: Simplify right side
    13,270,845.74x = 156,720,388,785,971.34
  5. Step 5: Solve for x
    x = 156,720,388,785,971.34/13,270,845.74
  6. Step 6: Final answer
    x = 11,809,374.62

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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.