Home / 30,721,858.20-46,082,787.30-27,639,500.40

Finding the Fourth Proportional to 30,721,858.20, 46,082,787.30 and 27,639,500.40

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Solution

The fourth proportional to 30,721,858.20, 46,082,787.30 and 27,639,500.40 is: 41,459,250.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,721,858.20 : 46,082,787.30 = 27,639,500.40 : x
  2. Step 2: Convert to fraction form
    30,721,858.20/46,082,787.30 = 27,639,500.40/x
  3. Step 3: Cross multiply
    30,721,858.20x = 46,082,787.30 × 27,639,500.40
  4. Step 4: Simplify right side
    30,721,858.20x = 1,273,705,218,011,464.75
  5. Step 5: Solve for x
    x = 1,273,705,218,011,464.75/30,721,858.20
  6. Step 6: Final answer
    x = 41,459,250.60

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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.