Home / 12,944,463.96-17,863,030.98-7,143,169.80

Finding the Fourth Proportional to 12,944,463.96, 17,863,030.98 and 7,143,169.80

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Solution

The fourth proportional to 12,944,463.96, 17,863,030.98 and 7,143,169.80 is: 9,857,392.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,944,463.96 : 17,863,030.98 = 7,143,169.80 : x
  2. Step 2: Convert to fraction form
    12,944,463.96/17,863,030.98 = 7,143,169.80/x
  3. Step 3: Cross multiply
    12,944,463.96x = 17,863,030.98 × 7,143,169.80
  4. Step 4: Simplify right side
    12,944,463.96x = 127,598,663,432,800.41
  5. Step 5: Solve for x
    x = 127,598,663,432,800.41/12,944,463.96
  6. Step 6: Final answer
    x = 9,857,392.61

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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.