Home / 12,593,887.20-18,890,830.80-7,555,039.20

Finding the Fourth Proportional to 12,593,887.20, 18,890,830.80 and 7,555,039.20

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Solution

The fourth proportional to 12,593,887.20, 18,890,830.80 and 7,555,039.20 is: 11,332,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593,887.20 : 18,890,830.80 = 7,555,039.20 : x
  2. Step 2: Convert to fraction form
    12,593,887.20/18,890,830.80 = 7,555,039.20/x
  3. Step 3: Cross multiply
    12,593,887.20x = 18,890,830.80 × 7,555,039.20
  4. Step 4: Simplify right side
    12,593,887.20x = 142,720,967,214,567.38
  5. Step 5: Solve for x
    x = 142,720,967,214,567.38/12,593,887.20
  6. Step 6: Final answer
    x = 11,332,558.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.