Home / 7,131,634.20-10,697,451.30-2,642,981.40

Finding the Fourth Proportional to 7,131,634.20, 10,697,451.30 and 2,642,981.40

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Solution

The fourth proportional to 7,131,634.20, 10,697,451.30 and 2,642,981.40 is: 3,964,472.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,634.20 : 10,697,451.30 = 2,642,981.40 : x
  2. Step 2: Convert to fraction form
    7,131,634.20/10,697,451.30 = 2,642,981.40/x
  3. Step 3: Cross multiply
    7,131,634.20x = 10,697,451.30 × 2,642,981.40
  4. Step 4: Simplify right side
    7,131,634.20x = 28,273,164,813,305.82
  5. Step 5: Solve for x
    x = 28,273,164,813,305.82/7,131,634.20
  6. Step 6: Final answer
    x = 3,964,472.10

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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.