Home / 13,391,642.42-18,462,863.37-9,667,334.51

Finding the Fourth Proportional to 13,391,642.42, 18,462,863.37 and 9,667,334.51

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Solution

The fourth proportional to 13,391,642.42, 18,462,863.37 and 9,667,334.51 is: 13,328,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391,642.42 : 18,462,863.37 = 9,667,334.51 : x
  2. Step 2: Convert to fraction form
    13,391,642.42/18,462,863.37 = 9,667,334.51/x
  3. Step 3: Cross multiply
    13,391,642.42x = 18,462,863.37 × 9,667,334.51
  4. Step 4: Simplify right side
    13,391,642.42x = 178,486,676,069,564.91
  5. Step 5: Solve for x
    x = 178,486,676,069,564.91/13,391,642.42
  6. Step 6: Final answer
    x = 13,328,214.01

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Double scale
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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.