Home / 12,230,995.25-16,878,784.25-6,724,463.78

Finding the Fourth Proportional to 12,230,995.25, 16,878,784.25 and 6,724,463.78

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Solution

The fourth proportional to 12,230,995.25, 16,878,784.25 and 6,724,463.78 is: 9,279,765.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,995.25 : 16,878,784.25 = 6,724,463.78 : x
  2. Step 2: Convert to fraction form
    12,230,995.25/16,878,784.25 = 6,724,463.78/x
  3. Step 3: Cross multiply
    12,230,995.25x = 16,878,784.25 × 6,724,463.78
  4. Step 4: Simplify right side
    12,230,995.25x = 113,500,773,398,567.59
  5. Step 5: Solve for x
    x = 113,500,773,398,567.59/12,230,995.25
  6. Step 6: Final answer
    x = 9,279,765.96

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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.