Home / 21,793,324.12-30,074,785.86-12,631,281.32

Finding the Fourth Proportional to 21,793,324.12, 30,074,785.86 and 12,631,281.32

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Solution

The fourth proportional to 21,793,324.12, 30,074,785.86 and 12,631,281.32 is: 17,431,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,793,324.12 : 30,074,785.86 = 12,631,281.32 : x
  2. Step 2: Convert to fraction form
    21,793,324.12/30,074,785.86 = 12,631,281.32/x
  3. Step 3: Cross multiply
    21,793,324.12x = 30,074,785.86 × 12,631,281.32
  4. Step 4: Simplify right side
    21,793,324.12x = 379,883,080,836,418.12
  5. Step 5: Solve for x
    x = 379,883,080,836,418.12/21,793,324.12
  6. Step 6: Final answer
    x = 17,431,167.40

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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.