Home / 12,945,228.40-19,430,284.20-6,562,687.60

Finding the Fourth Proportional to 12,945,228.40, 19,430,284.20 and 6,562,687.60

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Solution

The fourth proportional to 12,945,228.40, 19,430,284.20 and 6,562,687.60 is: 9,850,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,945,228.40 : 19,430,284.20 = 6,562,687.60 : x
  2. Step 2: Convert to fraction form
    12,945,228.40/19,430,284.20 = 6,562,687.60/x
  3. Step 3: Cross multiply
    12,945,228.40x = 19,430,284.20 × 6,562,687.60
  4. Step 4: Simplify right side
    12,945,228.40x = 127,514,885,183,815.91
  5. Step 5: Solve for x
    x = 127,514,885,183,815.91/12,945,228.40
  6. Step 6: Final answer
    x = 9,850,338.77

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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.