Home / 7,115,265.08-9,818,997.46-3,851,996.12

Finding the Fourth Proportional to 7,115,265.08, 9,818,997.46 and 3,851,996.12

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Solution

The fourth proportional to 7,115,265.08, 9,818,997.46 and 3,851,996.12 is: 5,315,717.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115,265.08 : 9,818,997.46 = 3,851,996.12 : x
  2. Step 2: Convert to fraction form
    7,115,265.08/9,818,997.46 = 3,851,996.12/x
  3. Step 3: Cross multiply
    7,115,265.08x = 9,818,997.46 × 3,851,996.12
  4. Step 4: Simplify right side
    7,115,265.08x = 37,822,740,118,209.86
  5. Step 5: Solve for x
    x = 37,822,740,118,209.86/7,115,265.08
  6. Step 6: Final answer
    x = 5,315,717.64

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Double scale
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1.5x scale

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.