Home / 36,442,533.36-50,288,299.56-20,970,120.72

Finding the Fourth Proportional to 36,442,533.36, 50,288,299.56 and 20,970,120.72

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Solution

The fourth proportional to 36,442,533.36, 50,288,299.56 and 20,970,120.72 is: 28,937,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,442,533.36 : 50,288,299.56 = 20,970,120.72 : x
  2. Step 2: Convert to fraction form
    36,442,533.36/50,288,299.56 = 20,970,120.72/x
  3. Step 3: Cross multiply
    36,442,533.36x = 50,288,299.56 × 20,970,120.72
  4. Step 4: Simplify right side
    36,442,533.36x = 1,054,551,712,576,722.88
  5. Step 5: Solve for x
    x = 1,054,551,712,576,722.88/36,442,533.36
  6. Step 6: Final answer
    x = 28,937,387.59

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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.