Home / 7,820,200.18-11,715,029.09-3,715,680.20

Finding the Fourth Proportional to 7,820,200.18, 11,715,029.09 and 3,715,680.20

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Solution

The fourth proportional to 7,820,200.18, 11,715,029.09 and 3,715,680.20 is: 5,566,264.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,200.18 : 11,715,029.09 = 3,715,680.20 : x
  2. Step 2: Convert to fraction form
    7,820,200.18/11,715,029.09 = 3,715,680.20/x
  3. Step 3: Cross multiply
    7,820,200.18x = 11,715,029.09 × 3,715,680.20
  4. Step 4: Simplify right side
    7,820,200.18x = 43,529,301,568,917.27
  5. Step 5: Solve for x
    x = 43,529,301,568,917.27/7,820,200.18
  6. Step 6: Final answer
    x = 5,566,264.36

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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.