Home / 12,455,655.46-17,188,815.30-6,949,031.46

Finding the Fourth Proportional to 12,455,655.46, 17,188,815.30 and 6,949,031.46

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Solution

The fourth proportional to 12,455,655.46, 17,188,815.30 and 6,949,031.46 is: 9,589,669.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,455,655.46 : 17,188,815.30 = 6,949,031.46 : x
  2. Step 2: Convert to fraction form
    12,455,655.46/17,188,815.30 = 6,949,031.46/x
  3. Step 3: Cross multiply
    12,455,655.46x = 17,188,815.30 × 6,949,031.46
  4. Step 4: Simplify right side
    12,455,655.46x = 119,445,618,279,829.34
  5. Step 5: Solve for x
    x = 119,445,618,279,829.34/12,455,655.46
  6. Step 6: Final answer
    x = 9,589,669.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.