Home / 36,978,458.55-51,028,405.59-20,232,835.65

Finding the Fourth Proportional to 36,978,458.55, 51,028,405.59 and 20,232,835.65

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Solution

The fourth proportional to 36,978,458.55, 51,028,405.59 and 20,232,835.65 is: 27,920,291.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,978,458.55 : 51,028,405.59 = 20,232,835.65 : x
  2. Step 2: Convert to fraction form
    36,978,458.55/51,028,405.59 = 20,232,835.65/x
  3. Step 3: Cross multiply
    36,978,458.55x = 51,028,405.59 × 20,232,835.65
  4. Step 4: Simplify right side
    36,978,458.55x = 1,032,449,343,784,011.25
  5. Step 5: Solve for x
    x = 1,032,449,343,784,011.25/36,978,458.55
  6. Step 6: Final answer
    x = 27,920,291.55

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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.