Home / 13,303,138.20-19,959,956.10-5,214,737.40

Finding the Fourth Proportional to 13,303,138.20, 19,959,956.10 and 5,214,737.40

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Solution

The fourth proportional to 13,303,138.20, 19,959,956.10 and 5,214,737.40 is: 7,824,163.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303,138.20 : 19,959,956.10 = 5,214,737.40 : x
  2. Step 2: Convert to fraction form
    13,303,138.20/19,959,956.10 = 5,214,737.40/x
  3. Step 3: Cross multiply
    13,303,138.20x = 19,959,956.10 × 5,214,737.40
  4. Step 4: Simplify right side
    13,303,138.20x = 104,085,929,577,028.16
  5. Step 5: Solve for x
    x = 104,085,929,577,028.16/13,303,138.20
  6. Step 6: Final answer
    x = 7,824,163.59

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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.