Home / 12,285,846.09-16,960,605.66-7,641,128.34

Finding the Fourth Proportional to 12,285,846.09, 16,960,605.66 and 7,641,128.34

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Solution

The fourth proportional to 12,285,846.09, 16,960,605.66 and 7,641,128.34 is: 10,548,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285,846.09 : 16,960,605.66 = 7,641,128.34 : x
  2. Step 2: Convert to fraction form
    12,285,846.09/16,960,605.66 = 7,641,128.34/x
  3. Step 3: Cross multiply
    12,285,846.09x = 16,960,605.66 × 7,641,128.34
  4. Step 4: Simplify right side
    12,285,846.09x = 129,598,164,572,190.41
  5. Step 5: Solve for x
    x = 129,598,164,572,190.41/12,285,846.09
  6. Step 6: Final answer
    x = 10,548,574.65

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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.