Home / 21,984,256.20-33,007,877.10-12,418,318.20

Finding the Fourth Proportional to 21,984,256.20, 33,007,877.10 and 12,418,318.20

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Solution

The fourth proportional to 21,984,256.20, 33,007,877.10 and 12,418,318.20 is: 18,645,266.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,984,256.20 : 33,007,877.10 = 12,418,318.20 : x
  2. Step 2: Convert to fraction form
    21,984,256.20/33,007,877.10 = 12,418,318.20/x
  3. Step 3: Cross multiply
    21,984,256.20x = 33,007,877.10 × 12,418,318.20
  4. Step 4: Simplify right side
    21,984,256.20x = 409,902,320,934,293.19
  5. Step 5: Solve for x
    x = 409,902,320,934,293.19/21,984,256.20
  6. Step 6: Final answer
    x = 18,645,266.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.