Home / 15,043,974-20,760,684.12-8,605,446

Finding the Fourth Proportional to 15,043,974, 20,760,684.12 and 8,605,446

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Solution

The fourth proportional to 15,043,974, 20,760,684.12 and 8,605,446 is: 11,875,515.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,043,974 : 20,760,684.12 = 8,605,446 : x
  2. Step 2: Convert to fraction form
    15,043,974/20,760,684.12 = 8,605,446/x
  3. Step 3: Cross multiply
    15,043,974x = 20,760,684.12 × 8,605,446
  4. Step 4: Simplify right side
    15,043,974x = 178,654,946,117,717.53
  5. Step 5: Solve for x
    x = 178,654,946,117,717.53/15,043,974
  6. Step 6: Final answer
    x = 11,875,515.48

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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.