Home / 13,001,161.30-19,487,745.15-4,911,010.90

Finding the Fourth Proportional to 13,001,161.30, 19,487,745.15 and 4,911,010.90

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Solution

The fourth proportional to 13,001,161.30, 19,487,745.15 and 4,911,010.90 is: 7,361,229.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,001,161.30 : 19,487,745.15 = 4,911,010.90 : x
  2. Step 2: Convert to fraction form
    13,001,161.30/19,487,745.15 = 4,911,010.90/x
  3. Step 3: Cross multiply
    13,001,161.30x = 19,487,745.15 × 4,911,010.90
  4. Step 4: Simplify right side
    13,001,161.30x = 95,704,528,848,072.14
  5. Step 5: Solve for x
    x = 95,704,528,848,072.14/13,001,161.30
  6. Step 6: Final answer
    x = 7,361,229.25

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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.