Home / 7,145,980.96-10,712,946.24-3,099,422.56

Finding the Fourth Proportional to 7,145,980.96, 10,712,946.24 and 3,099,422.56

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Solution

The fourth proportional to 7,145,980.96, 10,712,946.24 and 3,099,422.56 is: 4,646,520.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,980.96 : 10,712,946.24 = 3,099,422.56 : x
  2. Step 2: Convert to fraction form
    7,145,980.96/10,712,946.24 = 3,099,422.56/x
  3. Step 3: Cross multiply
    7,145,980.96x = 10,712,946.24 × 3,099,422.56
  4. Step 4: Simplify right side
    7,145,980.96x = 33,203,947,260,323.18
  5. Step 5: Solve for x
    x = 33,203,947,260,323.18/7,145,980.96
  6. Step 6: Final answer
    x = 4,646,520.53

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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.