Home / 9,205,744.18-12,709,369.89-8,184,321.64

Finding the Fourth Proportional to 9,205,744.18, 12,709,369.89 and 8,184,321.64

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Solution

The fourth proportional to 9,205,744.18, 12,709,369.89 and 8,184,321.64 is: 11,299,202.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,205,744.18 : 12,709,369.89 = 8,184,321.64 : x
  2. Step 2: Convert to fraction form
    9,205,744.18/12,709,369.89 = 8,184,321.64/x
  3. Step 3: Cross multiply
    9,205,744.18x = 12,709,369.89 × 8,184,321.64
  4. Step 4: Simplify right side
    9,205,744.18x = 104,017,571,021,491.42
  5. Step 5: Solve for x
    x = 104,017,571,021,491.42/9,205,744.18
  6. Step 6: Final answer
    x = 11,299,202.87

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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.