Home / 20,962,168.11-28,939,146.75-14,701,920.71

Finding the Fourth Proportional to 20,962,168.11, 28,939,146.75 and 14,701,920.71

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Solution

The fourth proportional to 20,962,168.11, 28,939,146.75 and 14,701,920.71 is: 20,296,614.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962,168.11 : 28,939,146.75 = 14,701,920.71 : x
  2. Step 2: Convert to fraction form
    20,962,168.11/28,939,146.75 = 14,701,920.71/x
  3. Step 3: Cross multiply
    20,962,168.11x = 28,939,146.75 × 14,701,920.71
  4. Step 4: Simplify right side
    20,962,168.11x = 425,461,040,788,858.44
  5. Step 5: Solve for x
    x = 425,461,040,788,858.44/20,962,168.11
  6. Step 6: Final answer
    x = 20,296,614.29

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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.