Home / 7,780,480.92-11,669,687.70-2,315,477.76

Finding the Fourth Proportional to 7,780,480.92, 11,669,687.70 and 2,315,477.76

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Solution

The fourth proportional to 7,780,480.92, 11,669,687.70 and 2,315,477.76 is: 3,472,909.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,780,480.92 : 11,669,687.70 = 2,315,477.76 : x
  2. Step 2: Convert to fraction form
    7,780,480.92/11,669,687.70 = 2,315,477.76/x
  3. Step 3: Cross multiply
    7,780,480.92x = 11,669,687.70 × 2,315,477.76
  4. Step 4: Simplify right side
    7,780,480.92x = 27,020,902,335,495.55
  5. Step 5: Solve for x
    x = 27,020,902,335,495.55/7,780,480.92
  6. Step 6: Final answer
    x = 3,472,909.02

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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.