Home / 12,426,077.31-18,640,193.13-3,792,121.67

Finding the Fourth Proportional to 12,426,077.31, 18,640,193.13 and 3,792,121.67

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Solution

The fourth proportional to 12,426,077.31, 18,640,193.13 and 3,792,121.67 is: 5,688,511.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,426,077.31 : 18,640,193.13 = 3,792,121.67 : x
  2. Step 2: Convert to fraction form
    12,426,077.31/18,640,193.13 = 3,792,121.67/x
  3. Step 3: Cross multiply
    12,426,077.31x = 18,640,193.13 × 3,792,121.67
  4. Step 4: Simplify right side
    12,426,077.31x = 70,685,880,208,057.16
  5. Step 5: Solve for x
    x = 70,685,880,208,057.16/12,426,077.31
  6. Step 6: Final answer
    x = 5,688,511.22

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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.