Home / 8,991,983.70-13,487,975.55-7,952,721.30

Finding the Fourth Proportional to 8,991,983.70, 13,487,975.55 and 7,952,721.30

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Solution

The fourth proportional to 8,991,983.70, 13,487,975.55 and 7,952,721.30 is: 11,929,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,991,983.70 : 13,487,975.55 = 7,952,721.30 : x
  2. Step 2: Convert to fraction form
    8,991,983.70/13,487,975.55 = 7,952,721.30/x
  3. Step 3: Cross multiply
    8,991,983.70x = 13,487,975.55 × 7,952,721.30
  4. Step 4: Simplify right side
    8,991,983.70x = 107,266,110,450,364.22
  5. Step 5: Solve for x
    x = 107,266,110,450,364.22/8,991,983.70
  6. Step 6: Final answer
    x = 11,929,081.95

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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.