Home / 7,731,376.50-11,591,945.94-3,688,488.30

Finding the Fourth Proportional to 7,731,376.50, 11,591,945.94 and 3,688,488.30

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Solution

The fourth proportional to 7,731,376.50, 11,591,945.94 and 3,688,488.30 is: 5,530,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,731,376.50 : 11,591,945.94 = 3,688,488.30 : x
  2. Step 2: Convert to fraction form
    7,731,376.50/11,591,945.94 = 3,688,488.30/x
  3. Step 3: Cross multiply
    7,731,376.50x = 11,591,945.94 × 3,688,488.30
  4. Step 4: Simplify right side
    7,731,376.50x = 42,756,756,973,922.50
  5. Step 5: Solve for x
    x = 42,756,756,973,922.50/7,731,376.50
  6. Step 6: Final answer
    x = 5,530,290.37

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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.