Home / 20,208,613.12-27,887,897.61-10,916,183.16

Finding the Fourth Proportional to 20,208,613.12, 27,887,897.61 and 10,916,183.16

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Solution

The fourth proportional to 20,208,613.12, 27,887,897.61 and 10,916,183.16 is: 15,064,338.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,208,613.12 : 27,887,897.61 = 10,916,183.16 : x
  2. Step 2: Convert to fraction form
    20,208,613.12/27,887,897.61 = 10,916,183.16/x
  3. Step 3: Cross multiply
    20,208,613.12x = 27,887,897.61 × 10,916,183.16
  4. Step 4: Simplify right side
    20,208,613.12x = 304,429,398,258,086.25
  5. Step 5: Solve for x
    x = 304,429,398,258,086.25/20,208,613.12
  6. Step 6: Final answer
    x = 15,064,338.98

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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.