Home / 8,508,228.16-11,739,255.60-5,199,678.40

Finding the Fourth Proportional to 8,508,228.16, 11,739,255.60 and 5,199,678.40

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Solution

The fourth proportional to 8,508,228.16, 11,739,255.60 and 5,199,678.40 is: 7,174,273.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,508,228.16 : 11,739,255.60 = 5,199,678.40 : x
  2. Step 2: Convert to fraction form
    8,508,228.16/11,739,255.60 = 5,199,678.40/x
  3. Step 3: Cross multiply
    8,508,228.16x = 11,739,255.60 × 5,199,678.40
  4. Step 4: Simplify right side
    8,508,228.16x = 61,040,353,775,399.04
  5. Step 5: Solve for x
    x = 61,040,353,775,399.04/8,508,228.16
  6. Step 6: Final answer
    x = 7,174,273.26

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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.