Home / 20,165,036.22-30,247,508.21-8,643,032.44

Finding the Fourth Proportional to 20,165,036.22, 30,247,508.21 and 8,643,032.44

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Solution

The fourth proportional to 20,165,036.22, 30,247,508.21 and 8,643,032.44 is: 12,964,528.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,165,036.22 : 30,247,508.21 = 8,643,032.44 : x
  2. Step 2: Convert to fraction form
    20,165,036.22/30,247,508.21 = 8,643,032.44/x
  3. Step 3: Cross multiply
    20,165,036.22x = 30,247,508.21 × 8,643,032.44
  4. Step 4: Simplify right side
    20,165,036.22x = 261,430,194,569,362.38
  5. Step 5: Solve for x
    x = 261,430,194,569,362.38/20,165,036.22
  6. Step 6: Final answer
    x = 12,964,528.89

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1.5x scale

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.