Home / 7,135,109.12-9,846,457.32-4,079,387.36

Finding the Fourth Proportional to 7,135,109.12, 9,846,457.32 and 4,079,387.36

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Solution

The fourth proportional to 7,135,109.12, 9,846,457.32 and 4,079,387.36 is: 5,629,558.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135,109.12 : 9,846,457.32 = 4,079,387.36 : x
  2. Step 2: Convert to fraction form
    7,135,109.12/9,846,457.32 = 4,079,387.36/x
  3. Step 3: Cross multiply
    7,135,109.12x = 9,846,457.32 × 4,079,387.36
  4. Step 4: Simplify right side
    7,135,109.12x = 40,167,513,531,987.48
  5. Step 5: Solve for x
    x = 40,167,513,531,987.48/7,135,109.12
  6. Step 6: Final answer
    x = 5,629,558.41

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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.