Home / 25,816,983.36-35,638,462.56-18,379,446.72

Finding the Fourth Proportional to 25,816,983.36, 35,638,462.56 and 18,379,446.72

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Solution

The fourth proportional to 25,816,983.36, 35,638,462.56 and 18,379,446.72 is: 25,371,485.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,816,983.36 : 35,638,462.56 = 18,379,446.72 : x
  2. Step 2: Convert to fraction form
    25,816,983.36/35,638,462.56 = 18,379,446.72/x
  3. Step 3: Cross multiply
    25,816,983.36x = 35,638,462.56 × 18,379,446.72
  4. Step 4: Simplify right side
    25,816,983.36x = 655,015,223,804,234.75
  5. Step 5: Solve for x
    x = 655,015,223,804,234.75/25,816,983.36
  6. Step 6: Final answer
    x = 25,371,485.69

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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.