Home / 7,232,142.88-9,979,697.32-4,291,453.20

Finding the Fourth Proportional to 7,232,142.88, 9,979,697.32 and 4,291,453.20

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Solution

The fourth proportional to 7,232,142.88, 9,979,697.32 and 4,291,453.20 is: 5,921,813.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,232,142.88 : 9,979,697.32 = 4,291,453.20 : x
  2. Step 2: Convert to fraction form
    7,232,142.88/9,979,697.32 = 4,291,453.20/x
  3. Step 3: Cross multiply
    7,232,142.88x = 9,979,697.32 × 4,291,453.20
  4. Step 4: Simplify right side
    7,232,142.88x = 42,827,403,998,945.43
  5. Step 5: Solve for x
    x = 42,827,403,998,945.43/7,232,142.88
  6. Step 6: Final answer
    x = 5,921,813.87

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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.