Home / 7,968,662.10-11,890,842.44-7,109,829.90

Finding the Fourth Proportional to 7,968,662.10, 11,890,842.44 and 7,109,829.90

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Solution

The fourth proportional to 7,968,662.10, 11,890,842.44 and 7,109,829.90 is: 10,609,292.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,968,662.10 : 11,890,842.44 = 7,109,829.90 : x
  2. Step 2: Convert to fraction form
    7,968,662.10/11,890,842.44 = 7,109,829.90/x
  3. Step 3: Cross multiply
    7,968,662.10x = 11,890,842.44 × 7,109,829.90
  4. Step 4: Simplify right side
    7,968,662.10x = 84,541,867,080,551.81
  5. Step 5: Solve for x
    x = 84,541,867,080,551.81/7,968,662.10
  6. Step 6: Final answer
    x = 10,609,292.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.