Home / 20,135,117.20-30,202,675.80-6,670,195.60

Finding the Fourth Proportional to 20,135,117.20, 30,202,675.80 and 6,670,195.60

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Solution

The fourth proportional to 20,135,117.20, 30,202,675.80 and 6,670,195.60 is: 10,005,293.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,135,117.20 : 30,202,675.80 = 6,670,195.60 : x
  2. Step 2: Convert to fraction form
    20,135,117.20/30,202,675.80 = 6,670,195.60/x
  3. Step 3: Cross multiply
    20,135,117.20x = 30,202,675.80 × 6,670,195.60
  4. Step 4: Simplify right side
    20,135,117.20x = 201,457,755,229,386.47
  5. Step 5: Solve for x
    x = 201,457,755,229,386.47/20,135,117.20
  6. Step 6: Final answer
    x = 10,005,293.40

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1.5x scale

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.