Home / 20,640,315.12-30,960,660.38-6,263,383.53

Finding the Fourth Proportional to 20,640,315.12, 30,960,660.38 and 6,263,383.53

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Solution

The fourth proportional to 20,640,315.12, 30,960,660.38 and 6,263,383.53 is: 9,395,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,640,315.12 : 30,960,660.38 = 6,263,383.53 : x
  2. Step 2: Convert to fraction form
    20,640,315.12/30,960,660.38 = 6,263,383.53/x
  3. Step 3: Cross multiply
    20,640,315.12x = 30,960,660.38 × 6,263,383.53
  4. Step 4: Simplify right side
    20,640,315.12x = 193,918,490,302,015.53
  5. Step 5: Solve for x
    x = 193,918,490,302,015.53/20,640,315.12
  6. Step 6: Final answer
    x = 9,395,132.25

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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.