Home / 6,385,636.30-9,578,111.03-3,143,942.28

Finding the Fourth Proportional to 6,385,636.30, 9,578,111.03 and 3,143,942.28

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Solution

The fourth proportional to 6,385,636.30, 9,578,111.03 and 3,143,942.28 is: 4,715,744.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,385,636.30 : 9,578,111.03 = 3,143,942.28 : x
  2. Step 2: Convert to fraction form
    6,385,636.30/9,578,111.03 = 3,143,942.28/x
  3. Step 3: Cross multiply
    6,385,636.30x = 9,578,111.03 × 3,143,942.28
  4. Step 4: Simplify right side
    6,385,636.30x = 30,113,028,214,031.64
  5. Step 5: Solve for x
    x = 30,113,028,214,031.64/6,385,636.30
  6. Step 6: Final answer
    x = 4,715,744.34

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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.