Home / 14,275,317.90-19,700,286.04-7,749,214.86

Finding the Fourth Proportional to 14,275,317.90, 19,700,286.04 and 7,749,214.86

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Solution

The fourth proportional to 14,275,317.90, 19,700,286.04 and 7,749,214.86 is: 10,694,105.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,317.90 : 19,700,286.04 = 7,749,214.86 : x
  2. Step 2: Convert to fraction form
    14,275,317.90/19,700,286.04 = 7,749,214.86/x
  3. Step 3: Cross multiply
    14,275,317.90x = 19,700,286.04 × 7,749,214.86
  4. Step 4: Simplify right side
    14,275,317.90x = 152,661,749,327,418.56
  5. Step 5: Solve for x
    x = 152,661,749,327,418.56/14,275,317.90
  6. Step 6: Final answer
    x = 10,694,105.06

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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.