Home / 7,216,636.72-10,828,511.72-3,378,718.96

Finding the Fourth Proportional to 7,216,636.72, 10,828,511.72 and 3,378,718.96

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Solution

The fourth proportional to 7,216,636.72, 10,828,511.72 and 3,378,718.96 is: 5,069,743.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,216,636.72 : 10,828,511.72 = 3,378,718.96 : x
  2. Step 2: Convert to fraction form
    7,216,636.72/10,828,511.72 = 3,378,718.96/x
  3. Step 3: Cross multiply
    7,216,636.72x = 10,828,511.72 × 3,378,718.96
  4. Step 4: Simplify right side
    7,216,636.72x = 36,586,497,856,946.21
  5. Step 5: Solve for x
    x = 36,586,497,856,946.21/7,216,636.72
  6. Step 6: Final answer
    x = 5,069,743.60

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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.