Home / 28,685,473.40-43,040,916.57-15,035,375.81

Finding the Fourth Proportional to 28,685,473.40, 43,040,916.57 and 15,035,375.81

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Solution

The fourth proportional to 28,685,473.40, 43,040,916.57 and 15,035,375.81 is: 22,559,723.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,685,473.40 : 43,040,916.57 = 15,035,375.81 : x
  2. Step 2: Convert to fraction form
    28,685,473.40/43,040,916.57 = 15,035,375.81/x
  3. Step 3: Cross multiply
    28,685,473.40x = 43,040,916.57 × 15,035,375.81
  4. Step 4: Simplify right side
    28,685,473.40x = 647,136,355,836,806.25
  5. Step 5: Solve for x
    x = 647,136,355,836,806.25/28,685,473.40
  6. Step 6: Final answer
    x = 22,559,723.76

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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.