Home / 20,962,170.11-28,939,149.51-14,701,922.71

Finding the Fourth Proportional to 20,962,170.11, 28,939,149.51 and 14,701,922.71

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Solution

The fourth proportional to 20,962,170.11, 28,939,149.51 and 14,701,922.71 is: 20,296,617.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,962,170.11 : 28,939,149.51 = 14,701,922.71 : x
  2. Step 2: Convert to fraction form
    20,962,170.11/28,939,149.51 = 14,701,922.71/x
  3. Step 3: Cross multiply
    20,962,170.11x = 28,939,149.51 × 14,701,922.71
  4. Step 4: Simplify right side
    20,962,170.11x = 425,461,139,389,154.44
  5. Step 5: Solve for x
    x = 425,461,139,389,154.44/20,962,170.11
  6. Step 6: Final answer
    x = 20,296,617.06

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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.