Home / 12,230,995.43-16,878,784.52-6,724,463.96

Finding the Fourth Proportional to 12,230,995.43, 16,878,784.52 and 6,724,463.96

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Solution

The fourth proportional to 12,230,995.43, 16,878,784.52 and 6,724,463.96 is: 9,279,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,230,995.43 : 16,878,784.52 = 6,724,463.96 : x
  2. Step 2: Convert to fraction form
    12,230,995.43/16,878,784.52 = 6,724,463.96/x
  3. Step 3: Cross multiply
    12,230,995.43x = 16,878,784.52 × 6,724,463.96
  4. Step 4: Simplify right side
    12,230,995.43x = 113,500,778,159,723.58
  5. Step 5: Solve for x
    x = 113,500,778,159,723.58/12,230,995.43
  6. Step 6: Final answer
    x = 9,279,766.21

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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.