Home / 14,022,780.30-21,028,921.65-4,921,361.10

Finding the Fourth Proportional to 14,022,780.30, 21,028,921.65 and 4,921,361.10

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Solution

The fourth proportional to 14,022,780.30, 21,028,921.65 and 4,921,361.10 is: 7,380,199.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,022,780.30 : 21,028,921.65 = 4,921,361.10 : x
  2. Step 2: Convert to fraction form
    14,022,780.30/21,028,921.65 = 4,921,361.10/x
  3. Step 3: Cross multiply
    14,022,780.30x = 21,028,921.65 × 4,921,361.10
  4. Step 4: Simplify right side
    14,022,780.30x = 103,490,916,983,257.80
  5. Step 5: Solve for x
    x = 103,490,916,983,257.80/14,022,780.30
  6. Step 6: Final answer
    x = 7,380,199.56

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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.