Home / 6,662,812-9,998,198.40-6,120,737.28

Finding the Fourth Proportional to 6,662,812, 9,998,198.40 and 6,120,737.28

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Solution

The fourth proportional to 6,662,812, 9,998,198.40 and 6,120,737.28 is: 9,184,762.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,662,812 : 9,998,198.40 = 6,120,737.28 : x
  2. Step 2: Convert to fraction form
    6,662,812/9,998,198.40 = 6,120,737.28/x
  3. Step 3: Cross multiply
    6,662,812x = 9,998,198.40 × 6,120,737.28
  4. Step 4: Simplify right side
    6,662,812x = 61,196,345,679,716.36
  5. Step 5: Solve for x
    x = 61,196,345,679,716.36/6,662,812
  6. Step 6: Final answer
    x = 9,184,762.48

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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.