Home / 13,447,640.70-20,147,404.05-8,179,886.70

Finding the Fourth Proportional to 13,447,640.70, 20,147,404.05 and 8,179,886.70

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Solution

The fourth proportional to 13,447,640.70, 20,147,404.05 and 8,179,886.70 is: 12,255,196.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,447,640.70 : 20,147,404.05 = 8,179,886.70 : x
  2. Step 2: Convert to fraction form
    13,447,640.70/20,147,404.05 = 8,179,886.70/x
  3. Step 3: Cross multiply
    13,447,640.70x = 20,147,404.05 × 8,179,886.70
  4. Step 4: Simplify right side
    13,447,640.70x = 164,803,482,428,121.16
  5. Step 5: Solve for x
    x = 164,803,482,428,121.16/13,447,640.70
  6. Step 6: Final answer
    x = 12,255,196.74

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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.