Home / 13,494,085.60-18,622,048.08-7,382,616.16

Finding the Fourth Proportional to 13,494,085.60, 18,622,048.08 and 7,382,616.16

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Solution

The fourth proportional to 13,494,085.60, 18,622,048.08 and 7,382,616.16 is: 10,188,125.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,494,085.60 : 18,622,048.08 = 7,382,616.16 : x
  2. Step 2: Convert to fraction form
    13,494,085.60/18,622,048.08 = 7,382,616.16/x
  3. Step 3: Cross multiply
    13,494,085.60x = 18,622,048.08 × 7,382,616.16
  4. Step 4: Simplify right side
    13,494,085.60x = 137,479,433,087,704.97
  5. Step 5: Solve for x
    x = 137,479,433,087,704.97/13,494,085.60
  6. Step 6: Final answer
    x = 10,188,125.17

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1.5x scale

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.