Home / 13,809,784.20-20,714,676.30-8,783,377.80

Finding the Fourth Proportional to 13,809,784.20, 20,714,676.30 and 8,783,377.80

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Solution

The fourth proportional to 13,809,784.20, 20,714,676.30 and 8,783,377.80 is: 13,175,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,809,784.20 : 20,714,676.30 = 8,783,377.80 : x
  2. Step 2: Convert to fraction form
    13,809,784.20/20,714,676.30 = 8,783,377.80/x
  3. Step 3: Cross multiply
    13,809,784.20x = 20,714,676.30 × 8,783,377.80
  4. Step 4: Simplify right side
    13,809,784.20x = 181,944,827,947,606.16
  5. Step 5: Solve for x
    x = 181,944,827,947,606.16/13,809,784.20
  6. Step 6: Final answer
    x = 13,175,066.70

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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.