Home / 25,372,161-35,013,600.30-13,769,721.72

Finding the Fourth Proportional to 25,372,161, 35,013,600.30 and 13,769,721.72

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Solution

The fourth proportional to 25,372,161, 35,013,600.30 and 13,769,721.72 is: 19,002,225.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,372,161 : 35,013,600.30 = 13,769,721.72 : x
  2. Step 2: Convert to fraction form
    25,372,161/35,013,600.30 = 13,769,721.72/x
  3. Step 3: Cross multiply
    25,372,161x = 35,013,600.30 × 13,769,721.72
  4. Step 4: Simplify right side
    25,372,161x = 482,127,532,546,308.50
  5. Step 5: Solve for x
    x = 482,127,532,546,308.50/25,372,161
  6. Step 6: Final answer
    x = 19,002,225.81

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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.