Home / 14,275,321.40-19,700,290.86-7,749,218.36

Finding the Fourth Proportional to 14,275,321.40, 19,700,290.86 and 7,749,218.36

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Solution

The fourth proportional to 14,275,321.40, 19,700,290.86 and 7,749,218.36 is: 10,694,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,275,321.40 : 19,700,290.86 = 7,749,218.36 : x
  2. Step 2: Convert to fraction form
    14,275,321.40/19,700,290.86 = 7,749,218.36/x
  3. Step 3: Cross multiply
    14,275,321.40x = 19,700,290.86 × 7,749,218.36
  4. Step 4: Simplify right side
    14,275,321.40x = 152,661,855,629,652.19
  5. Step 5: Solve for x
    x = 152,661,855,629,652.19/14,275,321.40
  6. Step 6: Final answer
    x = 10,694,109.88

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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.