Home / 13,571,132.88-20,366,790.90-5,484,178.56

Finding the Fourth Proportional to 13,571,132.88, 20,366,790.90 and 5,484,178.56

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Solution

The fourth proportional to 13,571,132.88, 20,366,790.90 and 5,484,178.56 is: 8,230,345.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571,132.88 : 20,366,790.90 = 5,484,178.56 : x
  2. Step 2: Convert to fraction form
    13,571,132.88/20,366,790.90 = 5,484,178.56/x
  3. Step 3: Cross multiply
    13,571,132.88x = 20,366,790.90 × 5,484,178.56
  4. Step 4: Simplify right side
    13,571,132.88x = 111,695,117,989,783.09
  5. Step 5: Solve for x
    x = 111,695,117,989,783.09/13,571,132.88
  6. Step 6: Final answer
    x = 8,230,345.91

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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.