Home / 12,679,944.66-17,498,323.71-7,247,553.30

Finding the Fourth Proportional to 12,679,944.66, 17,498,323.71 and 7,247,553.30

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Solution

The fourth proportional to 12,679,944.66, 17,498,323.71 and 7,247,553.30 is: 10,001,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,679,944.66 : 17,498,323.71 = 7,247,553.30 : x
  2. Step 2: Convert to fraction form
    12,679,944.66/17,498,323.71 = 7,247,553.30/x
  3. Step 3: Cross multiply
    12,679,944.66x = 17,498,323.71 × 7,247,553.30
  4. Step 4: Simplify right side
    12,679,944.66x = 126,820,033,748,878.75
  5. Step 5: Solve for x
    x = 126,820,033,748,878.75/12,679,944.66
  6. Step 6: Final answer
    x = 10,001,623.60

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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.