Home / 13,184,190.06-18,195,326.91-7,382,866.38

Finding the Fourth Proportional to 13,184,190.06, 18,195,326.91 and 7,382,866.38

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Solution

The fourth proportional to 13,184,190.06, 18,195,326.91 and 7,382,866.38 is: 10,188,996.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,184,190.06 : 18,195,326.91 = 7,382,866.38 : x
  2. Step 2: Convert to fraction form
    13,184,190.06/18,195,326.91 = 7,382,866.38/x
  3. Step 3: Cross multiply
    13,184,190.06x = 18,195,326.91 × 7,382,866.38
  4. Step 4: Simplify right side
    13,184,190.06x = 134,333,667,316,948.28
  5. Step 5: Solve for x
    x = 134,333,667,316,948.28/13,184,190.06
  6. Step 6: Final answer
    x = 10,188,996.57

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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.