Home / 7,820,203.19-11,715,033.59-3,715,683.20

Finding the Fourth Proportional to 7,820,203.19, 11,715,033.59 and 3,715,683.20

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Solution

The fourth proportional to 7,820,203.19, 11,715,033.59 and 3,715,683.20 is: 5,566,268.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,820,203.19 : 11,715,033.59 = 3,715,683.20 : x
  2. Step 2: Convert to fraction form
    7,820,203.19/11,715,033.59 = 3,715,683.20/x
  3. Step 3: Cross multiply
    7,820,203.19x = 11,715,033.59 × 3,715,683.20
  4. Step 4: Simplify right side
    7,820,203.19x = 43,529,353,420,645.10
  5. Step 5: Solve for x
    x = 43,529,353,420,645.10/7,820,203.19
  6. Step 6: Final answer
    x = 5,566,268.85

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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.