Home / 12,763,338-19,145,173.76-4,243,674.48

Finding the Fourth Proportional to 12,763,338, 19,145,173.76 and 4,243,674.48

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Solution

The fourth proportional to 12,763,338, 19,145,173.76 and 4,243,674.48 is: 6,365,567.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,338 : 19,145,173.76 = 4,243,674.48 : x
  2. Step 2: Convert to fraction form
    12,763,338/19,145,173.76 = 4,243,674.48/x
  3. Step 3: Cross multiply
    12,763,338x = 19,145,173.76 × 4,243,674.48
  4. Step 4: Simplify right side
    12,763,338x = 81,245,885,300,477.66
  5. Step 5: Solve for x
    x = 81,245,885,300,477.66/12,763,338
  6. Step 6: Final answer
    x = 6,365,567.17

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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.