Home / 9,171,995.10-13,757,992.65-5,190,683.10

Finding the Fourth Proportional to 9,171,995.10, 13,757,992.65 and 5,190,683.10

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Solution

The fourth proportional to 9,171,995.10, 13,757,992.65 and 5,190,683.10 is: 7,786,024.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,171,995.10 : 13,757,992.65 = 5,190,683.10 : x
  2. Step 2: Convert to fraction form
    9,171,995.10/13,757,992.65 = 5,190,683.10/x
  3. Step 3: Cross multiply
    9,171,995.10x = 13,757,992.65 × 5,190,683.10
  4. Step 4: Simplify right side
    9,171,995.10x = 71,413,379,938,279.22
  5. Step 5: Solve for x
    x = 71,413,379,938,279.22/9,171,995.10
  6. Step 6: Final answer
    x = 7,786,024.65

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Double scale
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Similar ratio
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1.5x scale

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.