Home / 10,260,015.60-15,382,247.40-5,214,946.80

Finding the Fourth Proportional to 10,260,015.60, 15,382,247.40 and 5,214,946.80

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Solution

The fourth proportional to 10,260,015.60, 15,382,247.40 and 5,214,946.80 is: 7,818,467.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,260,015.60 : 15,382,247.40 = 5,214,946.80 : x
  2. Step 2: Convert to fraction form
    10,260,015.60/15,382,247.40 = 5,214,946.80/x
  3. Step 3: Cross multiply
    10,260,015.60x = 15,382,247.40 × 5,214,946.80
  4. Step 4: Simplify right side
    10,260,015.60x = 80,217,601,855,438.31
  5. Step 5: Solve for x
    x = 80,217,601,855,438.31/10,260,015.60
  6. Step 6: Final answer
    x = 7,818,467.83

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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.