Home / 20,716,491.19-28,591,335.33-11,898,704.02

Finding the Fourth Proportional to 20,716,491.19, 28,591,335.33 and 11,898,704.02

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Solution

The fourth proportional to 20,716,491.19, 28,591,335.33 and 11,898,704.02 is: 16,421,691.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,716,491.19 : 28,591,335.33 = 11,898,704.02 : x
  2. Step 2: Convert to fraction form
    20,716,491.19/28,591,335.33 = 11,898,704.02/x
  3. Step 3: Cross multiply
    20,716,491.19x = 28,591,335.33 × 11,898,704.02
  4. Step 4: Simplify right side
    20,716,491.19x = 340,199,836,628,239
  5. Step 5: Solve for x
    x = 340,199,836,628,239/20,716,491.19
  6. Step 6: Final answer
    x = 16,421,691.95

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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.