Home / 28,685,479.90-43,040,926.32-15,035,382.32

Finding the Fourth Proportional to 28,685,479.90, 43,040,926.32 and 15,035,382.32

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Solution

The fourth proportional to 28,685,479.90, 43,040,926.32 and 15,035,382.32 is: 22,559,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,479.90 : 43,040,926.32 = 15,035,382.32 : x
  2. Step 2: Convert to fraction form
    28,685,479.90/43,040,926.32 = 15,035,382.32/x
  3. Step 3: Cross multiply
    28,685,479.90x = 43,040,926.32 × 15,035,382.32
  4. Step 4: Simplify right side
    28,685,479.90x = 647,136,782,628,150.62
  5. Step 5: Solve for x
    x = 647,136,782,628,150.62/28,685,479.90
  6. Step 6: Final answer
    x = 22,559,733.53

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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.