Home / 25,816,975.36-35,638,451.52-18,379,438.72

Finding the Fourth Proportional to 25,816,975.36, 35,638,451.52 and 18,379,438.72

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Solution

The fourth proportional to 25,816,975.36, 35,638,451.52 and 18,379,438.72 is: 25,371,474.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816,975.36 : 35,638,451.52 = 18,379,438.72 : x
  2. Step 2: Convert to fraction form
    25,816,975.36/35,638,451.52 = 18,379,438.72/x
  3. Step 3: Cross multiply
    25,816,975.36x = 35,638,451.52 × 18,379,438.72
  4. Step 4: Simplify right side
    25,816,975.36x = 655,014,735,787,530.88
  5. Step 5: Solve for x
    x = 655,014,735,787,530.88/25,816,975.36
  6. Step 6: Final answer
    x = 25,371,474.65

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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.