Home / 12,095,847.70-18,143,771.55-11,172,058.90

Finding the Fourth Proportional to 12,095,847.70, 18,143,771.55 and 11,172,058.90

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Solution

The fourth proportional to 12,095,847.70, 18,143,771.55 and 11,172,058.90 is: 16,758,088.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095,847.70 : 18,143,771.55 = 11,172,058.90 : x
  2. Step 2: Convert to fraction form
    12,095,847.70/18,143,771.55 = 11,172,058.90/x
  3. Step 3: Cross multiply
    12,095,847.70x = 18,143,771.55 × 11,172,058.90
  4. Step 4: Simplify right side
    12,095,847.70x = 202,703,284,424,744.31
  5. Step 5: Solve for x
    x = 202,703,284,424,744.31/12,095,847.70
  6. Step 6: Final answer
    x = 16,758,088.35

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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.