Home / 38,543,435.15-57,792,057.47-12,270,916.67

Finding the Fourth Proportional to 38,543,435.15, 57,792,057.47 and 12,270,916.67

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Solution

The fourth proportional to 38,543,435.15, 57,792,057.47 and 12,270,916.67 is: 18,399,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,543,435.15 : 57,792,057.47 = 12,270,916.67 : x
  2. Step 2: Convert to fraction form
    38,543,435.15/57,792,057.47 = 12,270,916.67/x
  3. Step 3: Cross multiply
    38,543,435.15x = 57,792,057.47 × 12,270,916.67
  4. Step 4: Simplify right side
    38,543,435.15x = 709,161,521,577,378.38
  5. Step 5: Solve for x
    x = 709,161,521,577,378.38/38,543,435.15
  6. Step 6: Final answer
    x = 18,399,022.27

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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.