Home / 30,815,997.90-46,223,996.85-21,858,045.90

Finding the Fourth Proportional to 30,815,997.90, 46,223,996.85 and 21,858,045.90

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Solution

The fourth proportional to 30,815,997.90, 46,223,996.85 and 21,858,045.90 is: 32,787,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,815,997.90 : 46,223,996.85 = 21,858,045.90 : x
  2. Step 2: Convert to fraction form
    30,815,997.90/46,223,996.85 = 21,858,045.90/x
  3. Step 3: Cross multiply
    30,815,997.90x = 46,223,996.85 × 21,858,045.90
  4. Step 4: Simplify right side
    30,815,997.90x = 1,010,366,244,828,755.38
  5. Step 5: Solve for x
    x = 1,010,366,244,828,755.38/30,815,997.90
  6. Step 6: Final answer
    x = 32,787,068.85

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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.