Home / 13,151,787.82-19,725,827.20-4,515,751.62

Finding the Fourth Proportional to 13,151,787.82, 19,725,827.20 and 4,515,751.62

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Solution

The fourth proportional to 13,151,787.82, 19,725,827.20 and 4,515,751.62 is: 6,772,990.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,151,787.82 : 19,725,827.20 = 4,515,751.62 : x
  2. Step 2: Convert to fraction form
    13,151,787.82/19,725,827.20 = 4,515,751.62/x
  3. Step 3: Cross multiply
    13,151,787.82x = 19,725,827.20 × 4,515,751.62
  4. Step 4: Simplify right side
    13,151,787.82x = 89,076,936,122,950.69
  5. Step 5: Solve for x
    x = 89,076,936,122,950.69/13,151,787.82
  6. Step 6: Final answer
    x = 6,772,990.67

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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.