Home / 51,419,301.36-77,129,404-13,080,856

Finding the Fourth Proportional to 51,419,301.36, 77,129,404 and 13,080,856

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Solution

The fourth proportional to 51,419,301.36, 77,129,404 and 13,080,856 is: 19,621,398.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,419,301.36 : 77,129,404 = 13,080,856 : x
  2. Step 2: Convert to fraction form
    51,419,301.36/77,129,404 = 13,080,856/x
  3. Step 3: Cross multiply
    51,419,301.36x = 77,129,404 × 13,080,856
  4. Step 4: Simplify right side
    51,419,301.36x = 1,008,918,627,089,824
  5. Step 5: Solve for x
    x = 1,008,918,627,089,824/51,419,301.36
  6. Step 6: Final answer
    x = 19,621,398.98

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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.