Home / 28,685,476.90-43,040,921.82-15,035,379.31

Finding the Fourth Proportional to 28,685,476.90, 43,040,921.82 and 15,035,379.31

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Solution

The fourth proportional to 28,685,476.90, 43,040,921.82 and 15,035,379.31 is: 22,559,729.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,476.90 : 43,040,921.82 = 15,035,379.31 : x
  2. Step 2: Convert to fraction form
    28,685,476.90/43,040,921.82 = 15,035,379.31/x
  3. Step 3: Cross multiply
    28,685,476.90x = 43,040,921.82 × 15,035,379.31
  4. Step 4: Simplify right side
    28,685,476.90x = 647,136,585,415,755.62
  5. Step 5: Solve for x
    x = 647,136,585,415,755.62/28,685,476.90
  6. Step 6: Final answer
    x = 22,559,729.01

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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.