Home / 8,518,505.29-11,755,376.60-5,210,556.13

Finding the Fourth Proportional to 8,518,505.29, 11,755,376.60 and 5,210,556.13

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Solution

The fourth proportional to 8,518,505.29, 11,755,376.60 and 5,210,556.13 is: 7,190,469.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,518,505.29 : 11,755,376.60 = 5,210,556.13 : x
  2. Step 2: Convert to fraction form
    8,518,505.29/11,755,376.60 = 5,210,556.13/x
  3. Step 3: Cross multiply
    8,518,505.29x = 11,755,376.60 × 5,210,556.13
  4. Step 4: Simplify right side
    8,518,505.29x = 61,252,049,603,588.55
  5. Step 5: Solve for x
    x = 61,252,049,603,588.55/8,518,505.29
  6. Step 6: Final answer
    x = 7,190,469.16

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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.