Home / 12,181,733.76-16,809,191.20-7,285,167.12

Finding the Fourth Proportional to 12,181,733.76, 16,809,191.20 and 7,285,167.12

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Solution

The fourth proportional to 12,181,733.76, 16,809,191.20 and 7,285,167.12 is: 10,052,572.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,733.76 : 16,809,191.20 = 7,285,167.12 : x
  2. Step 2: Convert to fraction form
    12,181,733.76/16,809,191.20 = 7,285,167.12/x
  3. Step 3: Cross multiply
    12,181,733.76x = 16,809,191.20 × 7,285,167.12
  4. Step 4: Simplify right side
    12,181,733.76x = 122,457,767,044,033.34
  5. Step 5: Solve for x
    x = 122,457,767,044,033.34/12,181,733.76
  6. Step 6: Final answer
    x = 10,052,572.93

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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.