Home / 20,206,639.37-30,296,124.45-7,252,502.55

Finding the Fourth Proportional to 20,206,639.37, 30,296,124.45 and 7,252,502.55

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Solution

The fourth proportional to 20,206,639.37, 30,296,124.45 and 7,252,502.55 is: 10,873,788.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,206,639.37 : 30,296,124.45 = 7,252,502.55 : x
  2. Step 2: Convert to fraction form
    20,206,639.37/30,296,124.45 = 7,252,502.55/x
  3. Step 3: Cross multiply
    20,206,639.37x = 30,296,124.45 × 7,252,502.55
  4. Step 4: Simplify right side
    20,206,639.37x = 219,722,719,828,742.34
  5. Step 5: Solve for x
    x = 219,722,719,828,742.34/20,206,639.37
  6. Step 6: Final answer
    x = 10,873,788.36

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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.