Home / 38,668,670.64-53,347,662.46-22,139,961.62

Finding the Fourth Proportional to 38,668,670.64, 53,347,662.46 and 22,139,961.62

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Solution

The fourth proportional to 38,668,670.64, 53,347,662.46 and 22,139,961.62 is: 30,544,499.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,668,670.64 : 53,347,662.46 = 22,139,961.62 : x
  2. Step 2: Convert to fraction form
    38,668,670.64/53,347,662.46 = 22,139,961.62/x
  3. Step 3: Cross multiply
    38,668,670.64x = 53,347,662.46 × 22,139,961.62
  4. Step 4: Simplify right side
    38,668,670.64x = 1,181,115,199,381,114.75
  5. Step 5: Solve for x
    x = 1,181,115,199,381,114.75/38,668,670.64
  6. Step 6: Final answer
    x = 30,544,499.72

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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.