Home / 7,824,280.56-11,735,161.92-2,143,176.72

Finding the Fourth Proportional to 7,824,280.56, 11,735,161.92 and 2,143,176.72

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Solution

The fourth proportional to 7,824,280.56, 11,735,161.92 and 2,143,176.72 is: 3,214,420.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824,280.56 : 11,735,161.92 = 2,143,176.72 : x
  2. Step 2: Convert to fraction form
    7,824,280.56/11,735,161.92 = 2,143,176.72/x
  3. Step 3: Cross multiply
    7,824,280.56x = 11,735,161.92 × 2,143,176.72
  4. Step 4: Simplify right side
    7,824,280.56x = 25,150,525,832,374.50
  5. Step 5: Solve for x
    x = 25,150,525,832,374.50/7,824,280.56
  6. Step 6: Final answer
    x = 3,214,420.24

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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.