Home / 12,763,591.42-19,145,553.72-4,243,927.87

Finding the Fourth Proportional to 12,763,591.42, 19,145,553.72 and 4,243,927.87

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Solution

The fourth proportional to 12,763,591.42, 19,145,553.72 and 4,243,927.87 is: 6,365,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763,591.42 : 19,145,553.72 = 4,243,927.87 : x
  2. Step 2: Convert to fraction form
    12,763,591.42/19,145,553.72 = 4,243,927.87/x
  3. Step 3: Cross multiply
    12,763,591.42x = 19,145,553.72 × 4,243,927.87
  4. Step 4: Simplify right side
    12,763,591.42x = 81,252,349,018,890.17
  5. Step 5: Solve for x
    x = 81,252,349,018,890.17/12,763,591.42
  6. Step 6: Final answer
    x = 6,365,947.20

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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.