Home / 6,989,842.60-10,485,369.38-2,133,241.72

Finding the Fourth Proportional to 6,989,842.60, 10,485,369.38 and 2,133,241.72

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Solution

The fourth proportional to 6,989,842.60, 10,485,369.38 and 2,133,241.72 is: 3,200,047.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,989,842.60 : 10,485,369.38 = 2,133,241.72 : x
  2. Step 2: Convert to fraction form
    6,989,842.60/10,485,369.38 = 2,133,241.72/x
  3. Step 3: Cross multiply
    6,989,842.60x = 10,485,369.38 × 2,133,241.72
  4. Step 4: Simplify right side
    6,989,842.60x = 22,367,827,384,145.40
  5. Step 5: Solve for x
    x = 22,367,827,384,145.40/6,989,842.60
  6. Step 6: Final answer
    x = 3,200,047.36

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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.