Home / 20,254,716.20-30,396,071.10-14,579,791.40

Finding the Fourth Proportional to 20,254,716.20, 30,396,071.10 and 14,579,791.40

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Solution

The fourth proportional to 20,254,716.20, 30,396,071.10 and 14,579,791.40 is: 21,879,762.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,254,716.20 : 30,396,071.10 = 14,579,791.40 : x
  2. Step 2: Convert to fraction form
    20,254,716.20/30,396,071.10 = 14,579,791.40/x
  3. Step 3: Cross multiply
    20,254,716.20x = 30,396,071.10 × 14,579,791.40
  4. Step 4: Simplify right side
    20,254,716.20x = 443,168,376,017,568.56
  5. Step 5: Solve for x
    x = 443,168,376,017,568.56/20,254,716.20
  6. Step 6: Final answer
    x = 21,879,762.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.