Home / 6,899,175.21-9,451,903.79-6,640,593.93

Finding the Fourth Proportional to 6,899,175.21, 9,451,903.79 and 6,640,593.93

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Solution

The fourth proportional to 6,899,175.21, 9,451,903.79 and 6,640,593.93 is: 9,097,646.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,899,175.21 : 9,451,903.79 = 6,640,593.93 : x
  2. Step 2: Convert to fraction form
    6,899,175.21/9,451,903.79 = 6,640,593.93/x
  3. Step 3: Cross multiply
    6,899,175.21x = 9,451,903.79 × 6,640,593.93
  4. Step 4: Simplify right side
    6,899,175.21x = 62,766,254,901,615.02
  5. Step 5: Solve for x
    x = 62,766,254,901,615.02/6,899,175.21
  6. Step 6: Final answer
    x = 9,097,646.17

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.