Home / 7,814,682.80-11,722,024.20-7,117,953.20

Finding the Fourth Proportional to 7,814,682.80, 11,722,024.20 and 7,117,953.20

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Solution

The fourth proportional to 7,814,682.80, 11,722,024.20 and 7,117,953.20 is: 10,676,929.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814,682.80 : 11,722,024.20 = 7,117,953.20 : x
  2. Step 2: Convert to fraction form
    7,814,682.80/11,722,024.20 = 7,117,953.20/x
  3. Step 3: Cross multiply
    7,814,682.80x = 11,722,024.20 × 7,117,953.20
  4. Step 4: Simplify right side
    7,814,682.80x = 83,436,819,664,867.44
  5. Step 5: Solve for x
    x = 83,436,819,664,867.44/7,814,682.80
  6. Step 6: Final answer
    x = 10,676,929.80

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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.