Home / 21,409,981.14-29,544,983.66-11,620,215.16

Finding the Fourth Proportional to 21,409,981.14, 29,544,983.66 and 11,620,215.16

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Solution

The fourth proportional to 21,409,981.14, 29,544,983.66 and 11,620,215.16 is: 16,035,467.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,981.14 : 29,544,983.66 = 11,620,215.16 : x
  2. Step 2: Convert to fraction form
    21,409,981.14/29,544,983.66 = 11,620,215.16/x
  3. Step 3: Cross multiply
    21,409,981.14x = 29,544,983.66 × 11,620,215.16
  4. Step 4: Simplify right side
    21,409,981.14x = 343,319,067,027,884.31
  5. Step 5: Solve for x
    x = 343,319,067,027,884.31/21,409,981.14
  6. Step 6: Final answer
    x = 16,035,467.98

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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.