Home / 12,481,822.80-18,723,348.60-6,509,854.80

Finding the Fourth Proportional to 12,481,822.80, 18,723,348.60 and 6,509,854.80

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Solution

The fourth proportional to 12,481,822.80, 18,723,348.60 and 6,509,854.80 is: 9,765,102.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,481,822.80 : 18,723,348.60 = 6,509,854.80 : x
  2. Step 2: Convert to fraction form
    12,481,822.80/18,723,348.60 = 6,509,854.80/x
  3. Step 3: Cross multiply
    12,481,822.80x = 18,723,348.60 × 6,509,854.80
  4. Step 4: Simplify right side
    12,481,822.80x = 121,886,280,755,783.28
  5. Step 5: Solve for x
    x = 121,886,280,755,783.28/12,481,822.80
  6. Step 6: Final answer
    x = 9,765,102.64

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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.