Home / 12,801,015.10-19,154,866.65-8,010,999.10

Finding the Fourth Proportional to 12,801,015.10, 19,154,866.65 and 8,010,999.10

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Solution

The fourth proportional to 12,801,015.10, 19,154,866.65 and 8,010,999.10 is: 11,987,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,801,015.10 : 19,154,866.65 = 8,010,999.10 : x
  2. Step 2: Convert to fraction form
    12,801,015.10/19,154,866.65 = 8,010,999.10/x
  3. Step 3: Cross multiply
    12,801,015.10x = 19,154,866.65 × 8,010,999.10
  4. Step 4: Simplify right side
    12,801,015.10x = 153,449,619,493,770
  5. Step 5: Solve for x
    x = 153,449,619,493,770/12,801,015.10
  6. Step 6: Final answer
    x = 11,987,300.87

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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.