Home / 12,136,305.66-16,748,611.01-6,979,671.37

Finding the Fourth Proportional to 12,136,305.66, 16,748,611.01 and 6,979,671.37

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Solution

The fourth proportional to 12,136,305.66, 16,748,611.01 and 6,979,671.37 is: 9,632,239.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,305.66 : 16,748,611.01 = 6,979,671.37 : x
  2. Step 2: Convert to fraction form
    12,136,305.66/16,748,611.01 = 6,979,671.37/x
  3. Step 3: Cross multiply
    12,136,305.66x = 16,748,611.01 × 6,979,671.37
  4. Step 4: Simplify right side
    12,136,305.66x = 116,899,800,753,763.78
  5. Step 5: Solve for x
    x = 116,899,800,753,763.78/12,136,305.66
  6. Step 6: Final answer
    x = 9,632,239.33

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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.