Home / 20,907,327.92-31,355,393.16-5,757,658.16

Finding the Fourth Proportional to 20,907,327.92, 31,355,393.16 and 5,757,658.16

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Solution

The fourth proportional to 20,907,327.92, 31,355,393.16 and 5,757,658.16 is: 8,634,945.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,907,327.92 : 31,355,393.16 = 5,757,658.16 : x
  2. Step 2: Convert to fraction form
    20,907,327.92/31,355,393.16 = 5,757,658.16/x
  3. Step 3: Cross multiply
    20,907,327.92x = 31,355,393.16 × 5,757,658.16
  4. Step 4: Simplify right side
    20,907,327.92x = 180,533,635,287,682.19
  5. Step 5: Solve for x
    x = 180,533,635,287,682.19/20,907,327.92
  6. Step 6: Final answer
    x = 8,634,945.41

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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.