Home / 7,240,212.80-10,864,255.80-2,980,811.60

Finding the Fourth Proportional to 7,240,212.80, 10,864,255.80 and 2,980,811.60

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Solution

The fourth proportional to 7,240,212.80, 10,864,255.80 and 2,980,811.60 is: 4,472,838.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240,212.80 : 10,864,255.80 = 2,980,811.60 : x
  2. Step 2: Convert to fraction form
    7,240,212.80/10,864,255.80 = 2,980,811.60/x
  3. Step 3: Cross multiply
    7,240,212.80x = 10,864,255.80 × 2,980,811.60
  4. Step 4: Simplify right side
    7,240,212.80x = 32,384,299,714,007.29
  5. Step 5: Solve for x
    x = 32,384,299,714,007.29/7,240,212.80
  6. Step 6: Final answer
    x = 4,472,838.11

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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.