Home / 12,116,709.44-16,720,789.92-6,684,200

Finding the Fourth Proportional to 12,116,709.44, 16,720,789.92 and 6,684,200

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Solution

The fourth proportional to 12,116,709.44, 16,720,789.92 and 6,684,200 is: 9,224,047.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116,709.44 : 16,720,789.92 = 6,684,200 : x
  2. Step 2: Convert to fraction form
    12,116,709.44/16,720,789.92 = 6,684,200/x
  3. Step 3: Cross multiply
    12,116,709.44x = 16,720,789.92 × 6,684,200
  4. Step 4: Simplify right side
    12,116,709.44x = 111,765,103,983,264
  5. Step 5: Solve for x
    x = 111,765,103,983,264/12,116,709.44
  6. Step 6: Final answer
    x = 9,224,047.55

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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.