Home / 14,638,672.64-20,201,121.32-8,112,288.80

Finding the Fourth Proportional to 14,638,672.64, 20,201,121.32 and 8,112,288.80

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Solution

The fourth proportional to 14,638,672.64, 20,201,121.32 and 8,112,288.80 is: 11,194,821.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638,672.64 : 20,201,121.32 = 8,112,288.80 : x
  2. Step 2: Convert to fraction form
    14,638,672.64/20,201,121.32 = 8,112,288.80/x
  3. Step 3: Cross multiply
    14,638,672.64x = 20,201,121.32 × 8,112,288.80
  4. Step 4: Simplify right side
    14,638,672.64x = 163,877,330,231,677.22
  5. Step 5: Solve for x
    x = 163,877,330,231,677.22/14,638,672.64
  6. Step 6: Final answer
    x = 11,194,821.71

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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.