Home / 18,706,577.54-25,807,939.79-11,361,640.10

Finding the Fourth Proportional to 18,706,577.54, 25,807,939.79 and 11,361,640.10

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Solution

The fourth proportional to 18,706,577.54, 25,807,939.79 and 11,361,640.10 is: 15,674,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,706,577.54 : 25,807,939.79 = 11,361,640.10 : x
  2. Step 2: Convert to fraction form
    18,706,577.54/25,807,939.79 = 11,361,640.10/x
  3. Step 3: Cross multiply
    18,706,577.54x = 25,807,939.79 × 11,361,640.10
  4. Step 4: Simplify right side
    18,706,577.54x = 293,220,523,624,161.19
  5. Step 5: Solve for x
    x = 293,220,523,624,161.19/18,706,577.54
  6. Step 6: Final answer
    x = 15,674,728.47

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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.