Home / 14,275,316.90-19,700,284.66-7,749,213.86

Finding the Fourth Proportional to 14,275,316.90, 19,700,284.66 and 7,749,213.86

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Solution

The fourth proportional to 14,275,316.90, 19,700,284.66 and 7,749,213.86 is: 10,694,103.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,316.90 : 19,700,284.66 = 7,749,213.86 : x
  2. Step 2: Convert to fraction form
    14,275,316.90/19,700,284.66 = 7,749,213.86/x
  3. Step 3: Cross multiply
    14,275,316.90x = 19,700,284.66 × 7,749,213.86
  4. Step 4: Simplify right side
    14,275,316.90x = 152,661,718,933,217.41
  5. Step 5: Solve for x
    x = 152,661,718,933,217.41/14,275,316.90
  6. Step 6: Final answer
    x = 10,694,103.68

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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.