Home / 21,151,518.24-29,189,526.48-11,494,348.32

Finding the Fourth Proportional to 21,151,518.24, 29,189,526.48 and 11,494,348.32

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Solution

The fourth proportional to 21,151,518.24, 29,189,526.48 and 11,494,348.32 is: 15,862,435.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,151,518.24 : 29,189,526.48 = 11,494,348.32 : x
  2. Step 2: Convert to fraction form
    21,151,518.24/29,189,526.48 = 11,494,348.32/x
  3. Step 3: Cross multiply
    21,151,518.24x = 29,189,526.48 × 11,494,348.32
  4. Step 4: Simplify right side
    21,151,518.24x = 335,514,584,656,983.50
  5. Step 5: Solve for x
    x = 335,514,584,656,983.50/21,151,518.24
  6. Step 6: Final answer
    x = 15,862,435.07

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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.