Home / 21,213,950.16-29,275,444.26-12,841,512.33

Finding the Fourth Proportional to 21,213,950.16, 29,275,444.26 and 12,841,512.33

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Solution

The fourth proportional to 21,213,950.16, 29,275,444.26 and 12,841,512.33 is: 17,721,403.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,213,950.16 : 29,275,444.26 = 12,841,512.33 : x
  2. Step 2: Convert to fraction form
    21,213,950.16/29,275,444.26 = 12,841,512.33/x
  3. Step 3: Cross multiply
    21,213,950.16x = 29,275,444.26 × 12,841,512.33
  4. Step 4: Simplify right side
    21,213,950.16x = 375,940,978,431,017.75
  5. Step 5: Solve for x
    x = 375,940,978,431,017.75/21,213,950.16
  6. Step 6: Final answer
    x = 17,721,403.87

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1.5x scale

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.