Home / 10,976,529.60-16,483,456.80-8,139,844.80

Finding the Fourth Proportional to 10,976,529.60, 16,483,456.80 and 8,139,844.80

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Solution

The fourth proportional to 10,976,529.60, 16,483,456.80 and 8,139,844.80 is: 12,223,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976,529.60 : 16,483,456.80 = 8,139,844.80 : x
  2. Step 2: Convert to fraction form
    10,976,529.60/16,483,456.80 = 8,139,844.80/x
  3. Step 3: Cross multiply
    10,976,529.60x = 16,483,456.80 × 8,139,844.80
  4. Step 4: Simplify right side
    10,976,529.60x = 134,172,780,119,504.64
  5. Step 5: Solve for x
    x = 134,172,780,119,504.64/10,976,529.60
  6. Step 6: Final answer
    x = 12,223,606.64

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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.