Home / 20,736,184.48-28,615,952.40-11,568,828.64

Finding the Fourth Proportional to 20,736,184.48, 28,615,952.40 and 11,568,828.64

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Solution

The fourth proportional to 20,736,184.48, 28,615,952.40 and 11,568,828.64 is: 15,964,993.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,736,184.48 : 28,615,952.40 = 11,568,828.64 : x
  2. Step 2: Convert to fraction form
    20,736,184.48/28,615,952.40 = 11,568,828.64/x
  3. Step 3: Cross multiply
    20,736,184.48x = 28,615,952.40 × 11,568,828.64
  4. Step 4: Simplify right side
    20,736,184.48x = 331,053,049,685,996.75
  5. Step 5: Solve for x
    x = 331,053,049,685,996.75/20,736,184.48
  6. Step 6: Final answer
    x = 15,964,993.46

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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.