Home / 9,991,728.22-14,988,137.37-3,167,807.88

Finding the Fourth Proportional to 9,991,728.22, 14,988,137.37 and 3,167,807.88

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Solution

The fourth proportional to 9,991,728.22, 14,988,137.37 and 3,167,807.88 is: 4,751,884.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,991,728.22 : 14,988,137.37 = 3,167,807.88 : x
  2. Step 2: Convert to fraction form
    9,991,728.22/14,988,137.37 = 3,167,807.88/x
  3. Step 3: Cross multiply
    9,991,728.22x = 14,988,137.37 × 3,167,807.88
  4. Step 4: Simplify right side
    9,991,728.22x = 47,479,539,619,515.10
  5. Step 5: Solve for x
    x = 47,479,539,619,515.10/9,991,728.22
  6. Step 6: Final answer
    x = 4,751,884.62

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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.