Home / 12,763,581.76-19,145,539.24-4,243,918.24

Finding the Fourth Proportional to 12,763,581.76, 19,145,539.24 and 4,243,918.24

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Solution

The fourth proportional to 12,763,581.76, 19,145,539.24 and 4,243,918.24 is: 6,365,932.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,581.76 : 19,145,539.24 = 4,243,918.24 : x
  2. Step 2: Convert to fraction form
    12,763,581.76/19,145,539.24 = 4,243,918.24/x
  3. Step 3: Cross multiply
    12,763,581.76x = 19,145,539.24 × 4,243,918.24
  4. Step 4: Simplify right side
    12,763,581.76x = 81,252,103,195,271.73
  5. Step 5: Solve for x
    x = 81,252,103,195,271.73/12,763,581.76
  6. Step 6: Final answer
    x = 6,365,932.75

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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.