Home / 21,120,217.32-29,145,911.76-11,462,425.32

Finding the Fourth Proportional to 21,120,217.32, 29,145,911.76 and 11,462,425.32

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Solution

The fourth proportional to 21,120,217.32, 29,145,911.76 and 11,462,425.32 is: 15,818,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,120,217.32 : 29,145,911.76 = 11,462,425.32 : x
  2. Step 2: Convert to fraction form
    21,120,217.32/29,145,911.76 = 11,462,425.32/x
  3. Step 3: Cross multiply
    21,120,217.32x = 29,145,911.76 × 11,462,425.32
  4. Step 4: Simplify right side
    21,120,217.32x = 334,082,836,932,309.81
  5. Step 5: Solve for x
    x = 334,082,836,932,309.81/21,120,217.32
  6. Step 6: Final answer
    x = 15,818,153.38

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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.