Home / 21,409,975.64-29,544,976.09-11,620,209.64

Finding the Fourth Proportional to 21,409,975.64, 29,544,976.09 and 11,620,209.64

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Solution

The fourth proportional to 21,409,975.64, 29,544,976.09 and 11,620,209.64 is: 16,035,460.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,409,975.64 : 29,544,976.09 = 11,620,209.64 : x
  2. Step 2: Convert to fraction form
    21,409,975.64/29,544,976.09 = 11,620,209.64/x
  3. Step 3: Cross multiply
    21,409,975.64x = 29,544,976.09 × 11,620,209.64
  4. Step 4: Simplify right side
    21,409,975.64x = 343,318,815,974,587.50
  5. Step 5: Solve for x
    x = 343,318,815,974,587.50/21,409,975.64
  6. Step 6: Final answer
    x = 16,035,460.37

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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.