Home / 7,131,633.70-10,697,450.55-2,642,980.90

Finding the Fourth Proportional to 7,131,633.70, 10,697,450.55 and 2,642,980.90

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Solution

The fourth proportional to 7,131,633.70, 10,697,450.55 and 2,642,980.90 is: 3,964,471.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,131,633.70 : 10,697,450.55 = 2,642,980.90 : x
  2. Step 2: Convert to fraction form
    7,131,633.70/10,697,450.55 = 2,642,980.90/x
  3. Step 3: Cross multiply
    7,131,633.70x = 10,697,450.55 × 2,642,980.90
  4. Step 4: Simplify right side
    7,131,633.70x = 28,273,157,482,344.50
  5. Step 5: Solve for x
    x = 28,273,157,482,344.50/7,131,633.70
  6. Step 6: Final answer
    x = 3,964,471.35

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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.