Home / 12,553,220.36-18,811,865.82-7,150,714.76

Finding the Fourth Proportional to 12,553,220.36, 18,811,865.82 and 7,150,714.76

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Solution

The fourth proportional to 12,553,220.36, 18,811,865.82 and 7,150,714.76 is: 10,715,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,553,220.36 : 18,811,865.82 = 7,150,714.76 : x
  2. Step 2: Convert to fraction form
    12,553,220.36/18,811,865.82 = 7,150,714.76/x
  3. Step 3: Cross multiply
    12,553,220.36x = 18,811,865.82 × 7,150,714.76
  4. Step 4: Simplify right side
    12,553,220.36x = 134,518,286,582,213.50
  5. Step 5: Solve for x
    x = 134,518,286,582,213.50/12,553,220.36
  6. Step 6: Final answer
    x = 10,715,838.86

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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.