Home / 11,856,430.58-16,355,562.78-7,211,636.24

Finding the Fourth Proportional to 11,856,430.58, 16,355,562.78 and 7,211,636.24

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Solution

The fourth proportional to 11,856,430.58, 16,355,562.78 and 7,211,636.24 is: 9,948,219.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,856,430.58 : 16,355,562.78 = 7,211,636.24 : x
  2. Step 2: Convert to fraction form
    11,856,430.58/16,355,562.78 = 7,211,636.24/x
  3. Step 3: Cross multiply
    11,856,430.58x = 16,355,562.78 × 7,211,636.24
  4. Step 4: Simplify right side
    11,856,430.58x = 117,950,369,269,843.14
  5. Step 5: Solve for x
    x = 117,950,369,269,843.14/11,856,430.58
  6. Step 6: Final answer
    x = 9,948,219.11

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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.