Home / 21,585,937-29,789,746.02-12,419,977

Finding the Fourth Proportional to 21,585,937, 29,789,746.02 and 12,419,977

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Solution

The fourth proportional to 21,585,937, 29,789,746.02 and 12,419,977 is: 17,140,231.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,585,937 : 29,789,746.02 = 12,419,977 : x
  2. Step 2: Convert to fraction form
    21,585,937/29,789,746.02 = 12,419,977/x
  3. Step 3: Cross multiply
    21,585,937x = 29,789,746.02 × 12,419,977
  4. Step 4: Simplify right side
    21,585,937x = 369,987,960,404,241.56
  5. Step 5: Solve for x
    x = 369,987,960,404,241.56/21,585,937
  6. Step 6: Final answer
    x = 17,140,231.64

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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.