Home / 13,563,946.74-20,345,643.09-3,979,113.06

Finding the Fourth Proportional to 13,563,946.74, 20,345,643.09 and 3,979,113.06

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Solution

The fourth proportional to 13,563,946.74, 20,345,643.09 and 3,979,113.06 is: 5,968,588.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563,946.74 : 20,345,643.09 = 3,979,113.06 : x
  2. Step 2: Convert to fraction form
    13,563,946.74/20,345,643.09 = 3,979,113.06/x
  3. Step 3: Cross multiply
    13,563,946.74x = 20,345,643.09 × 3,979,113.06
  4. Step 4: Simplify right side
    13,563,946.74x = 80,957,614,133,517.75
  5. Step 5: Solve for x
    x = 80,957,614,133,517.75/13,563,946.74
  6. Step 6: Final answer
    x = 5,968,588.32

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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.