Home / 12,763,578.26-19,145,534-4,243,914.73

Finding the Fourth Proportional to 12,763,578.26, 19,145,534 and 4,243,914.73

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Solution

The fourth proportional to 12,763,578.26, 19,145,534 and 4,243,914.73 is: 6,365,927.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,578.26 : 19,145,534 = 4,243,914.73 : x
  2. Step 2: Convert to fraction form
    12,763,578.26/19,145,534 = 4,243,914.73/x
  3. Step 3: Cross multiply
    12,763,578.26x = 19,145,534 × 4,243,914.73
  4. Step 4: Simplify right side
    12,763,578.26x = 81,252,013,756,315.83
  5. Step 5: Solve for x
    x = 81,252,013,756,315.83/12,763,578.26
  6. Step 6: Final answer
    x = 6,365,927.49

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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.