Home / 14,077,987.31-19,427,622.49-7,639,459.31

Finding the Fourth Proportional to 14,077,987.31, 19,427,622.49 and 7,639,459.31

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Solution

The fourth proportional to 14,077,987.31, 19,427,622.49 and 7,639,459.31 is: 10,542,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077,987.31 : 19,427,622.49 = 7,639,459.31 : x
  2. Step 2: Convert to fraction form
    14,077,987.31/19,427,622.49 = 7,639,459.31/x
  3. Step 3: Cross multiply
    14,077,987.31x = 19,427,622.49 × 7,639,459.31
  4. Step 4: Simplify right side
    14,077,987.31x = 148,416,531,560,514.28
  5. Step 5: Solve for x
    x = 148,416,531,560,514.28/14,077,987.31
  6. Step 6: Final answer
    x = 10,542,453.85

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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.