Home / 8,237,334.40-12,356,001.60-6,809,660.80

Finding the Fourth Proportional to 8,237,334.40, 12,356,001.60 and 6,809,660.80

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Solution

The fourth proportional to 8,237,334.40, 12,356,001.60 and 6,809,660.80 is: 10,214,491.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,334.40 : 12,356,001.60 = 6,809,660.80 : x
  2. Step 2: Convert to fraction form
    8,237,334.40/12,356,001.60 = 6,809,660.80/x
  3. Step 3: Cross multiply
    8,237,334.40x = 12,356,001.60 × 6,809,660.80
  4. Step 4: Simplify right side
    8,237,334.40x = 84,140,179,740,257.28
  5. Step 5: Solve for x
    x = 84,140,179,740,257.28/8,237,334.40
  6. Step 6: Final answer
    x = 10,214,491.20

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1.5x scale

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.