Home / 27,128,778-37,428,454.44-16,811,736.72

Finding the Fourth Proportional to 27,128,778, 37,428,454.44 and 16,811,736.72

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Solution

The fourth proportional to 27,128,778, 37,428,454.44 and 16,811,736.72 is: 23,194,458.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,128,778 : 37,428,454.44 = 16,811,736.72 : x
  2. Step 2: Convert to fraction form
    27,128,778/37,428,454.44 = 16,811,736.72/x
  3. Step 3: Cross multiply
    27,128,778x = 37,428,454.44 × 16,811,736.72
  4. Step 4: Simplify right side
    27,128,778x = 629,237,321,881,795
  5. Step 5: Solve for x
    x = 629,237,321,881,795/27,128,778
  6. Step 6: Final answer
    x = 23,194,458.74

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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.