Home / 36,978,036.85-55,421,624.54-20,769,917.41

Finding the Fourth Proportional to 36,978,036.85, 55,421,624.54 and 20,769,917.41

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Solution

The fourth proportional to 36,978,036.85, 55,421,624.54 and 20,769,917.41 is: 31,129,358.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,036.85 : 55,421,624.54 = 20,769,917.41 : x
  2. Step 2: Convert to fraction form
    36,978,036.85/55,421,624.54 = 20,769,917.41/x
  3. Step 3: Cross multiply
    36,978,036.85x = 55,421,624.54 × 20,769,917.41
  4. Step 4: Simplify right side
    36,978,036.85x = 1,151,102,564,319,979.50
  5. Step 5: Solve for x
    x = 1,151,102,564,319,979.50/36,978,036.85
  6. Step 6: Final answer
    x = 31,129,358.46

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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.