Home / 13,485,205.43-20,223,591.83-4,507,657.91

Finding the Fourth Proportional to 13,485,205.43, 20,223,591.83 and 4,507,657.91

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Solution

The fourth proportional to 13,485,205.43, 20,223,591.83 and 4,507,657.91 is: 6,760,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,485,205.43 : 20,223,591.83 = 4,507,657.91 : x
  2. Step 2: Convert to fraction form
    13,485,205.43/20,223,591.83 = 4,507,657.91/x
  3. Step 3: Cross multiply
    13,485,205.43x = 20,223,591.83 × 4,507,657.91
  4. Step 4: Simplify right side
    13,485,205.43x = 91,161,033,658,572.58
  5. Step 5: Solve for x
    x = 91,161,033,658,572.58/13,485,205.43
  6. Step 6: Final answer
    x = 6,760,077.49

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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.