Home / 12,923,286.75-19,387,235.67-4,287,905.37

Finding the Fourth Proportional to 12,923,286.75, 19,387,235.67 and 4,287,905.37

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Solution

The fourth proportional to 12,923,286.75, 19,387,235.67 and 4,287,905.37 is: 6,432,623.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923,286.75 : 19,387,235.67 = 4,287,905.37 : x
  2. Step 2: Convert to fraction form
    12,923,286.75/19,387,235.67 = 4,287,905.37/x
  3. Step 3: Cross multiply
    12,923,286.75x = 19,387,235.67 × 4,287,905.37
  4. Step 4: Simplify right side
    12,923,286.75x = 83,130,631,938,848.56
  5. Step 5: Solve for x
    x = 83,130,631,938,848.56/12,923,286.75
  6. Step 6: Final answer
    x = 6,432,623.03

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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.