Home / 40,099,285.36-55,337,120.09-21,764,570.86

Finding the Fourth Proportional to 40,099,285.36, 55,337,120.09 and 21,764,570.86

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Solution

The fourth proportional to 40,099,285.36, 55,337,120.09 and 21,764,570.86 is: 30,035,165.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,099,285.36 : 55,337,120.09 = 21,764,570.86 : x
  2. Step 2: Convert to fraction form
    40,099,285.36/55,337,120.09 = 21,764,570.86/x
  3. Step 3: Cross multiply
    40,099,285.36x = 55,337,120.09 × 21,764,570.86
  4. Step 4: Simplify right side
    40,099,285.36x = 1,204,388,671,387,134.50
  5. Step 5: Solve for x
    x = 1,204,388,671,387,134.50/40,099,285.36
  6. Step 6: Final answer
    x = 30,035,165.48

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1.5x scale

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.