Home / 13,320,291.56-18,382,002.16-7,208,720.06

Finding the Fourth Proportional to 13,320,291.56, 18,382,002.16 and 7,208,720.06

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Solution

The fourth proportional to 13,320,291.56, 18,382,002.16 and 7,208,720.06 is: 9,948,033.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,320,291.56 : 18,382,002.16 = 7,208,720.06 : x
  2. Step 2: Convert to fraction form
    13,320,291.56/18,382,002.16 = 7,208,720.06/x
  3. Step 3: Cross multiply
    13,320,291.56x = 18,382,002.16 × 7,208,720.06
  4. Step 4: Simplify right side
    13,320,291.56x = 132,510,707,713,755.33
  5. Step 5: Solve for x
    x = 132,510,707,713,755.33/13,320,291.56
  6. Step 6: Final answer
    x = 9,948,033.58

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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.