Home / 14,842,602.72-20,489,062.32-9,690,380.64

Finding the Fourth Proportional to 14,842,602.72, 20,489,062.32 and 9,690,380.64

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Solution

The fourth proportional to 14,842,602.72, 20,489,062.32 and 9,690,380.64 is: 13,376,819.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,842,602.72 : 20,489,062.32 = 9,690,380.64 : x
  2. Step 2: Convert to fraction form
    14,842,602.72/20,489,062.32 = 9,690,380.64/x
  3. Step 3: Cross multiply
    14,842,602.72x = 20,489,062.32 × 9,690,380.64
  4. Step 4: Simplify right side
    14,842,602.72x = 198,546,812,837,481.50
  5. Step 5: Solve for x
    x = 198,546,812,837,481.50/14,842,602.72
  6. Step 6: Final answer
    x = 13,376,819.19

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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.