Home / 13,270,844.73-18,310,064.78-8,559,246.55

Finding the Fourth Proportional to 13,270,844.73, 18,310,064.78 and 8,559,246.55

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Solution

The fourth proportional to 13,270,844.73, 18,310,064.78 and 8,559,246.55 is: 11,809,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,270,844.73 : 18,310,064.78 = 8,559,246.55 : x
  2. Step 2: Convert to fraction form
    13,270,844.73/18,310,064.78 = 8,559,246.55/x
  3. Step 3: Cross multiply
    13,270,844.73x = 18,310,064.78 × 8,559,246.55
  4. Step 4: Simplify right side
    13,270,844.73x = 156,720,358,706,941.19
  5. Step 5: Solve for x
    x = 156,720,358,706,941.19/13,270,844.73
  6. Step 6: Final answer
    x = 11,809,373.25

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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.