Home / 10,127,986.94-13,976,620.90-5,481,771.23

Finding the Fourth Proportional to 10,127,986.94, 13,976,620.90 and 5,481,771.23

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Solution

The fourth proportional to 10,127,986.94, 13,976,620.90 and 5,481,771.23 is: 7,564,843.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,127,986.94 : 13,976,620.90 = 5,481,771.23 : x
  2. Step 2: Convert to fraction form
    10,127,986.94/13,976,620.90 = 5,481,771.23/x
  3. Step 3: Cross multiply
    10,127,986.94x = 13,976,620.90 × 5,481,771.23
  4. Step 4: Simplify right side
    10,127,986.94x = 76,616,638,280,621.64
  5. Step 5: Solve for x
    x = 76,616,638,280,621.64/10,127,986.94
  6. Step 6: Final answer
    x = 7,564,843.70

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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.