Home / 6,320,678.03-8,721,018.75-3,839,849.09

Finding the Fourth Proportional to 6,320,678.03, 8,721,018.75 and 3,839,849.09

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Solution

The fourth proportional to 6,320,678.03, 8,721,018.75 and 3,839,849.09 is: 5,298,070.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,320,678.03 : 8,721,018.75 = 3,839,849.09 : x
  2. Step 2: Convert to fraction form
    6,320,678.03/8,721,018.75 = 3,839,849.09/x
  3. Step 3: Cross multiply
    6,320,678.03x = 8,721,018.75 × 3,839,849.09
  4. Step 4: Simplify right side
    6,320,678.03x = 33,487,395,911,060.44
  5. Step 5: Solve for x
    x = 33,487,395,911,060.44/6,320,678.03
  6. Step 6: Final answer
    x = 5,298,070.20

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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.