Home / 21,580,494.24-29,780,734.50-11,790,728.40

Finding the Fourth Proportional to 21,580,494.24, 29,780,734.50 and 11,790,728.40

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Solution

The fourth proportional to 21,580,494.24, 29,780,734.50 and 11,790,728.40 is: 16,271,015.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580,494.24 : 29,780,734.50 = 11,790,728.40 : x
  2. Step 2: Convert to fraction form
    21,580,494.24/29,780,734.50 = 11,790,728.40/x
  3. Step 3: Cross multiply
    21,580,494.24x = 29,780,734.50 × 11,790,728.40
  4. Step 4: Simplify right side
    21,580,494.24x = 351,136,552,042,009.81
  5. Step 5: Solve for x
    x = 351,136,552,042,009.81/21,580,494.24
  6. Step 6: Final answer
    x = 16,271,015.30

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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.