Home / 21,101,598.36-29,119,580.28-11,682,809.10

Finding the Fourth Proportional to 21,101,598.36, 29,119,580.28 and 11,682,809.10

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Solution

The fourth proportional to 21,101,598.36, 29,119,580.28 and 11,682,809.10 is: 16,121,930.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,101,598.36 : 29,119,580.28 = 11,682,809.10 : x
  2. Step 2: Convert to fraction form
    21,101,598.36/29,119,580.28 = 11,682,809.10/x
  3. Step 3: Cross multiply
    21,101,598.36x = 29,119,580.28 × 11,682,809.10
  4. Step 4: Simplify right side
    21,101,598.36x = 340,198,497,483,364.56
  5. Step 5: Solve for x
    x = 340,198,497,483,364.56/21,101,598.36
  6. Step 6: Final answer
    x = 16,121,930.28

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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.