Home / 20,029,242.64-30,042,961.08-8,352,805.92

Finding the Fourth Proportional to 20,029,242.64, 30,042,961.08 and 8,352,805.92

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Solution

The fourth proportional to 20,029,242.64, 30,042,961.08 and 8,352,805.92 is: 12,528,832.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,029,242.64 : 30,042,961.08 = 8,352,805.92 : x
  2. Step 2: Convert to fraction form
    20,029,242.64/30,042,961.08 = 8,352,805.92/x
  3. Step 3: Cross multiply
    20,029,242.64x = 30,042,961.08 × 8,352,805.92
  4. Step 4: Simplify right side
    20,029,242.64x = 250,943,023,163,353.56
  5. Step 5: Solve for x
    x = 250,943,023,163,353.56/20,029,242.64
  6. Step 6: Final answer
    x = 12,528,832.35

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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.