Home / 18,483,656.80-25,507,331.52-10,223,571.12

Finding the Fourth Proportional to 18,483,656.80, 25,507,331.52 and 10,223,571.12

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Solution

The fourth proportional to 18,483,656.80, 25,507,331.52 and 10,223,571.12 is: 14,108,464.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,483,656.80 : 25,507,331.52 = 10,223,571.12 : x
  2. Step 2: Convert to fraction form
    18,483,656.80/25,507,331.52 = 10,223,571.12/x
  3. Step 3: Cross multiply
    18,483,656.80x = 25,507,331.52 × 10,223,571.12
  4. Step 4: Simplify right side
    18,483,656.80x = 260,776,017,876,137.69
  5. Step 5: Solve for x
    x = 260,776,017,876,137.69/18,483,656.80
  6. Step 6: Final answer
    x = 14,108,464.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.