Home / 12,101,640.21-16,700,263.83-6,669,132.21

Finding the Fourth Proportional to 12,101,640.21, 16,700,263.83 and 6,669,132.21

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Solution

The fourth proportional to 12,101,640.21, 16,700,263.83 and 6,669,132.21 is: 9,203,402.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,101,640.21 : 16,700,263.83 = 6,669,132.21 : x
  2. Step 2: Convert to fraction form
    12,101,640.21/16,700,263.83 = 6,669,132.21/x
  3. Step 3: Cross multiply
    12,101,640.21x = 16,700,263.83 × 6,669,132.21
  4. Step 4: Simplify right side
    12,101,640.21x = 111,376,267,424,150.97
  5. Step 5: Solve for x
    x = 111,376,267,424,150.97/12,101,640.21
  6. Step 6: Final answer
    x = 9,203,402.64

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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.