Home / 13,760,121.40-20,640,182.10-7,382,829.40

Finding the Fourth Proportional to 13,760,121.40, 20,640,182.10 and 7,382,829.40

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Solution

The fourth proportional to 13,760,121.40, 20,640,182.10 and 7,382,829.40 is: 11,074,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760,121.40 : 20,640,182.10 = 7,382,829.40 : x
  2. Step 2: Convert to fraction form
    13,760,121.40/20,640,182.10 = 7,382,829.40/x
  3. Step 3: Cross multiply
    13,760,121.40x = 20,640,182.10 × 7,382,829.40
  4. Step 4: Simplify right side
    13,760,121.40x = 152,382,943,229,233.75
  5. Step 5: Solve for x
    x = 152,382,943,229,233.75/13,760,121.40
  6. Step 6: Final answer
    x = 11,074,244.10

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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.