Home / 12,763,650.12-19,145,641.32-4,243,986.58

Finding the Fourth Proportional to 12,763,650.12, 19,145,641.32 and 4,243,986.58

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Solution

The fourth proportional to 12,763,650.12, 19,145,641.32 and 4,243,986.58 is: 6,366,035.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,650.12 : 19,145,641.32 = 4,243,986.58 : x
  2. Step 2: Convert to fraction form
    12,763,650.12/19,145,641.32 = 4,243,986.58/x
  3. Step 3: Cross multiply
    12,763,650.12x = 19,145,641.32 × 4,243,986.58
  4. Step 4: Simplify right side
    12,763,650.12x = 81,253,844,827,573.48
  5. Step 5: Solve for x
    x = 81,253,844,827,573.48/12,763,650.12
  6. Step 6: Final answer
    x = 6,366,035.11

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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.