Home / 13,540,461.62-18,685,836.90-7,739,367.98

Finding the Fourth Proportional to 13,540,461.62, 18,685,836.90 and 7,739,367.98

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Solution

The fourth proportional to 13,540,461.62, 18,685,836.90 and 7,739,367.98 is: 10,680,327.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,461.62 : 18,685,836.90 = 7,739,367.98 : x
  2. Step 2: Convert to fraction form
    13,540,461.62/18,685,836.90 = 7,739,367.98/x
  3. Step 3: Cross multiply
    13,540,461.62x = 18,685,836.90 × 7,739,367.98
  4. Step 4: Simplify right side
    13,540,461.62x = 144,616,567,783,362.47
  5. Step 5: Solve for x
    x = 144,616,567,783,362.47/13,540,461.62
  6. Step 6: Final answer
    x = 10,680,327.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.