Home / 9,990,847.96-13,787,410.62-5,407,168.12

Finding the Fourth Proportional to 9,990,847.96, 13,787,410.62 and 5,407,168.12

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Solution

The fourth proportional to 9,990,847.96, 13,787,410.62 and 5,407,168.12 is: 7,461,913.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,990,847.96 : 13,787,410.62 = 5,407,168.12 : x
  2. Step 2: Convert to fraction form
    9,990,847.96/13,787,410.62 = 5,407,168.12/x
  3. Step 3: Cross multiply
    9,990,847.96x = 13,787,410.62 × 5,407,168.12
  4. Step 4: Simplify right side
    9,990,847.96x = 74,550,847,161,813.44
  5. Step 5: Solve for x
    x = 74,550,847,161,813.44/9,990,847.96
  6. Step 6: Final answer
    x = 7,461,913.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.