Home / 31,081,408.20-46,622,112.30-19,744,000.20

Finding the Fourth Proportional to 31,081,408.20, 46,622,112.30 and 19,744,000.20

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Solution

The fourth proportional to 31,081,408.20, 46,622,112.30 and 19,744,000.20 is: 29,616,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,081,408.20 : 46,622,112.30 = 19,744,000.20 : x
  2. Step 2: Convert to fraction form
    31,081,408.20/46,622,112.30 = 19,744,000.20/x
  3. Step 3: Cross multiply
    31,081,408.20x = 46,622,112.30 × 19,744,000.20
  4. Step 4: Simplify right side
    31,081,408.20x = 920,506,994,575,622.38
  5. Step 5: Solve for x
    x = 920,506,994,575,622.38/31,081,408.20
  6. Step 6: Final answer
    x = 29,616,000.30

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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.