Home / 21,621,095.84-29,836,651.20-11,831,500.64

Finding the Fourth Proportional to 21,621,095.84, 29,836,651.20 and 11,831,500.64

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Solution

The fourth proportional to 21,621,095.84, 29,836,651.20 and 11,831,500.64 is: 16,327,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,621,095.84 : 29,836,651.20 = 11,831,500.64 : x
  2. Step 2: Convert to fraction form
    21,621,095.84/29,836,651.20 = 11,831,500.64/x
  3. Step 3: Cross multiply
    21,621,095.84x = 29,836,651.20 × 11,831,500.64
  4. Step 4: Simplify right side
    21,621,095.84x = 353,012,357,768,256.75
  5. Step 5: Solve for x
    x = 353,012,357,768,256.75/21,621,095.84
  6. Step 6: Final answer
    x = 16,327,218.58

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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.