Home / 9,118,757.82-12,578,403.42-6,021,309.72

Finding the Fourth Proportional to 9,118,757.82, 12,578,403.42 and 6,021,309.72

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Solution

The fourth proportional to 9,118,757.82, 12,578,403.42 and 6,021,309.72 is: 8,305,787.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118,757.82 : 12,578,403.42 = 6,021,309.72 : x
  2. Step 2: Convert to fraction form
    9,118,757.82/12,578,403.42 = 6,021,309.72/x
  3. Step 3: Cross multiply
    9,118,757.82x = 12,578,403.42 × 6,021,309.72
  4. Step 4: Simplify right side
    9,118,757.82x = 75,738,462,774,927.23
  5. Step 5: Solve for x
    x = 75,738,462,774,927.23/9,118,757.82
  6. Step 6: Final answer
    x = 8,305,787.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.