Home / 21,284,837.70-31,927,256.55-14,482,392.90

Finding the Fourth Proportional to 21,284,837.70, 31,927,256.55 and 14,482,392.90

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Solution

The fourth proportional to 21,284,837.70, 31,927,256.55 and 14,482,392.90 is: 21,723,589.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,284,837.70 : 31,927,256.55 = 14,482,392.90 : x
  2. Step 2: Convert to fraction form
    21,284,837.70/31,927,256.55 = 14,482,392.90/x
  3. Step 3: Cross multiply
    21,284,837.70x = 31,927,256.55 × 14,482,392.90
  4. Step 4: Simplify right side
    21,284,837.70x = 462,383,073,576,198.50
  5. Step 5: Solve for x
    x = 462,383,073,576,198.50/21,284,837.70
  6. Step 6: Final answer
    x = 21,723,589.35

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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.