Home / 7,908,131.63-11,857,932.02-3,587,824.40

Finding the Fourth Proportional to 7,908,131.63, 11,857,932.02 and 3,587,824.40

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Solution

The fourth proportional to 7,908,131.63, 11,857,932.02 and 3,587,824.40 is: 5,379,801.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,908,131.63 : 11,857,932.02 = 3,587,824.40 : x
  2. Step 2: Convert to fraction form
    7,908,131.63/11,857,932.02 = 3,587,824.40/x
  3. Step 3: Cross multiply
    7,908,131.63x = 11,857,932.02 × 3,587,824.40
  4. Step 4: Simplify right side
    7,908,131.63x = 42,544,177,873,511.68
  5. Step 5: Solve for x
    x = 42,544,177,873,511.68/7,908,131.63
  6. Step 6: Final answer
    x = 5,379,801.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.