Home / 5,528,820.80-8,293,231.20-5,213,892.80

Finding the Fourth Proportional to 5,528,820.80, 8,293,231.20 and 5,213,892.80

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Solution

The fourth proportional to 5,528,820.80, 8,293,231.20 and 5,213,892.80 is: 7,820,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,528,820.80 : 8,293,231.20 = 5,213,892.80 : x
  2. Step 2: Convert to fraction form
    5,528,820.80/8,293,231.20 = 5,213,892.80/x
  3. Step 3: Cross multiply
    5,528,820.80x = 8,293,231.20 × 5,213,892.80
  4. Step 4: Simplify right side
    5,528,820.80x = 43,240,018,442,415.36
  5. Step 5: Solve for x
    x = 43,240,018,442,415.36/5,528,820.80
  6. Step 6: Final answer
    x = 7,820,839.20

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Double scale
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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.