Home / 7,112,450.50-9,815,337.21-3,893,186.50

Finding the Fourth Proportional to 7,112,450.50, 9,815,337.21 and 3,893,186.50

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Solution

The fourth proportional to 7,112,450.50, 9,815,337.21 and 3,893,186.50 is: 5,372,682.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,450.50 : 9,815,337.21 = 3,893,186.50 : x
  2. Step 2: Convert to fraction form
    7,112,450.50/9,815,337.21 = 3,893,186.50/x
  3. Step 3: Cross multiply
    7,112,450.50x = 9,815,337.21 × 3,893,186.50
  4. Step 4: Simplify right side
    7,112,450.50x = 38,212,938,318,919.67
  5. Step 5: Solve for x
    x = 38,212,938,318,919.67/7,112,450.50
  6. Step 6: Final answer
    x = 5,372,682.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.