Home / 6,459,964.20-9,689,946.30-5,200,252.20

Finding the Fourth Proportional to 6,459,964.20, 9,689,946.30 and 5,200,252.20

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Solution

The fourth proportional to 6,459,964.20, 9,689,946.30 and 5,200,252.20 is: 7,800,378.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459,964.20 : 9,689,946.30 = 5,200,252.20 : x
  2. Step 2: Convert to fraction form
    6,459,964.20/9,689,946.30 = 5,200,252.20/x
  3. Step 3: Cross multiply
    6,459,964.20x = 9,689,946.30 × 5,200,252.20
  4. Step 4: Simplify right side
    6,459,964.20x = 50,390,164,564,456.87
  5. Step 5: Solve for x
    x = 50,390,164,564,456.87/6,459,964.20
  6. Step 6: Final answer
    x = 7,800,378.30

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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.