Home / 22,157,844.60-33,161,145.30-18,567,665.40

Finding the Fourth Proportional to 22,157,844.60, 33,161,145.30 and 18,567,665.40

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Solution

The fourth proportional to 22,157,844.60, 33,161,145.30 and 18,567,665.40 is: 27,788,129.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,157,844.60 : 33,161,145.30 = 18,567,665.40 : x
  2. Step 2: Convert to fraction form
    22,157,844.60/33,161,145.30 = 18,567,665.40/x
  3. Step 3: Cross multiply
    22,157,844.60x = 33,161,145.30 × 18,567,665.40
  4. Step 4: Simplify right side
    22,157,844.60x = 615,725,050,211,182.62
  5. Step 5: Solve for x
    x = 615,725,050,211,182.62/22,157,844.60
  6. Step 6: Final answer
    x = 27,788,129.28

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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.