Home / 20,522,460.51-30,722,318.69-12,410,887.23

Finding the Fourth Proportional to 20,522,460.51, 30,722,318.69 and 12,410,887.23

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Solution

The fourth proportional to 20,522,460.51, 30,722,318.69 and 12,410,887.23 is: 18,579,216.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,522,460.51 : 30,722,318.69 = 12,410,887.23 : x
  2. Step 2: Convert to fraction form
    20,522,460.51/30,722,318.69 = 12,410,887.23/x
  3. Step 3: Cross multiply
    20,522,460.51x = 30,722,318.69 × 12,410,887.23
  4. Step 4: Simplify right side
    20,522,460.51x = 381,291,232,643,656.88
  5. Step 5: Solve for x
    x = 381,291,232,643,656.88/20,522,460.51
  6. Step 6: Final answer
    x = 18,579,216.29

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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.