Home / 12,120,914.49-16,727,217.80-6,614,644.74

Finding the Fourth Proportional to 12,120,914.49, 16,727,217.80 and 6,614,644.74

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Solution

The fourth proportional to 12,120,914.49, 16,727,217.80 and 6,614,644.74 is: 9,128,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,120,914.49 : 16,727,217.80 = 6,614,644.74 : x
  2. Step 2: Convert to fraction form
    12,120,914.49/16,727,217.80 = 6,614,644.74/x
  3. Step 3: Cross multiply
    12,120,914.49x = 16,727,217.80 × 6,614,644.74
  4. Step 4: Simplify right side
    12,120,914.49x = 110,644,603,235,604.38
  5. Step 5: Solve for x
    x = 110,644,603,235,604.38/12,120,914.49
  6. Step 6: Final answer
    x = 9,128,403.91

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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.