Home / 14,077,990.69-19,427,627.16-7,639,462.69

Finding the Fourth Proportional to 14,077,990.69, 19,427,627.16 and 7,639,462.69

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Solution

The fourth proportional to 14,077,990.69, 19,427,627.16 and 7,639,462.69 is: 10,542,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,077,990.69 : 19,427,627.16 = 7,639,462.69 : x
  2. Step 2: Convert to fraction form
    14,077,990.69/19,427,627.16 = 7,639,462.69/x
  3. Step 3: Cross multiply
    14,077,990.69x = 19,427,627.16 × 7,639,462.69
  4. Step 4: Simplify right side
    14,077,990.69x = 148,416,632,795,481.59
  5. Step 5: Solve for x
    x = 148,416,632,795,481.59/14,077,990.69
  6. Step 6: Final answer
    x = 10,542,458.51

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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.