Home / 19,231,704.20-28,823,061.90-7,859,304.20

Finding the Fourth Proportional to 19,231,704.20, 28,823,061.90 and 7,859,304.20

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Solution

The fourth proportional to 19,231,704.20, 28,823,061.90 and 7,859,304.20 is: 11,778,946.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,231,704.20 : 28,823,061.90 = 7,859,304.20 : x
  2. Step 2: Convert to fraction form
    19,231,704.20/28,823,061.90 = 7,859,304.20/x
  3. Step 3: Cross multiply
    19,231,704.20x = 28,823,061.90 × 7,859,304.20
  4. Step 4: Simplify right side
    19,231,704.20x = 226,529,211,447,529.97
  5. Step 5: Solve for x
    x = 226,529,211,447,529.97/19,231,704.20
  6. Step 6: Final answer
    x = 11,778,946.32

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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.