Home / 25,903,143.68-35,778,145.92-19,405,840.64

Finding the Fourth Proportional to 25,903,143.68, 35,778,145.92 and 19,405,840.64

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Solution

The fourth proportional to 25,903,143.68, 35,778,145.92 and 19,405,840.64 is: 26,803,889.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,903,143.68 : 35,778,145.92 = 19,405,840.64 : x
  2. Step 2: Convert to fraction form
    25,903,143.68/35,778,145.92 = 19,405,840.64/x
  3. Step 3: Cross multiply
    25,903,143.68x = 35,778,145.92 × 19,405,840.64
  4. Step 4: Simplify right side
    25,903,143.68x = 694,304,998,118,186.25
  5. Step 5: Solve for x
    x = 694,304,998,118,186.25/25,903,143.68
  6. Step 6: Final answer
    x = 26,803,889.39

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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.