Home / 20,640,319.74-30,960,667.32-6,263,388.15

Finding the Fourth Proportional to 20,640,319.74, 30,960,667.32 and 6,263,388.15

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Solution

The fourth proportional to 20,640,319.74, 30,960,667.32 and 6,263,388.15 is: 9,395,139.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640,319.74 : 30,960,667.32 = 6,263,388.15 : x
  2. Step 2: Convert to fraction form
    20,640,319.74/30,960,667.32 = 6,263,388.15/x
  3. Step 3: Cross multiply
    20,640,319.74x = 30,960,667.32 × 6,263,388.15
  4. Step 4: Simplify right side
    20,640,319.74x = 193,918,676,808,180.28
  5. Step 5: Solve for x
    x = 193,918,676,808,180.28/20,640,319.74
  6. Step 6: Final answer
    x = 9,395,139.19

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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.