Home / 7,139,479.34-10,709,222.85-4,481,953.58

Finding the Fourth Proportional to 7,139,479.34, 10,709,222.85 and 4,481,953.58

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Solution

The fourth proportional to 7,139,479.34, 10,709,222.85 and 4,481,953.58 is: 6,722,932.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,139,479.34 : 10,709,222.85 = 4,481,953.58 : x
  2. Step 2: Convert to fraction form
    7,139,479.34/10,709,222.85 = 4,481,953.58/x
  3. Step 3: Cross multiply
    7,139,479.34x = 10,709,222.85 × 4,481,953.58
  4. Step 4: Simplify right side
    7,139,479.34x = 47,998,239,691,575.30
  5. Step 5: Solve for x
    x = 47,998,239,691,575.30/7,139,479.34
  6. Step 6: Final answer
    x = 6,722,932.78

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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.