Home / 7,159,348.41-9,881,982.72-4,678,942.21

Finding the Fourth Proportional to 7,159,348.41, 9,881,982.72 and 4,678,942.21

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Solution

The fourth proportional to 7,159,348.41, 9,881,982.72 and 4,678,942.21 is: 6,458,300.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159,348.41 : 9,881,982.72 = 4,678,942.21 : x
  2. Step 2: Convert to fraction form
    7,159,348.41/9,881,982.72 = 4,678,942.21/x
  3. Step 3: Cross multiply
    7,159,348.41x = 9,881,982.72 × 4,678,942.21
  4. Step 4: Simplify right side
    7,159,348.41x = 46,237,226,067,098.62
  5. Step 5: Solve for x
    x = 46,237,226,067,098.62/7,159,348.41
  6. Step 6: Final answer
    x = 6,458,300.87

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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.