Home / 28,685,475.90-43,040,920.32-15,035,378.31

Finding the Fourth Proportional to 28,685,475.90, 43,040,920.32 and 15,035,378.31

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Solution

The fourth proportional to 28,685,475.90, 43,040,920.32 and 15,035,378.31 is: 22,559,727.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,475.90 : 43,040,920.32 = 15,035,378.31 : x
  2. Step 2: Convert to fraction form
    28,685,475.90/43,040,920.32 = 15,035,378.31/x
  3. Step 3: Cross multiply
    28,685,475.90x = 43,040,920.32 × 15,035,378.31
  4. Step 4: Simplify right side
    28,685,475.90x = 647,136,519,821,766.25
  5. Step 5: Solve for x
    x = 647,136,519,821,766.25/28,685,475.90
  6. Step 6: Final answer
    x = 22,559,727.51

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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.