Home / 18,409,392.78-25,404,990.03-10,260,455.82

Finding the Fourth Proportional to 18,409,392.78, 25,404,990.03 and 10,260,455.82

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Solution

The fourth proportional to 18,409,392.78, 25,404,990.03 and 10,260,455.82 is: 14,159,444.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,392.78 : 25,404,990.03 = 10,260,455.82 : x
  2. Step 2: Convert to fraction form
    18,409,392.78/25,404,990.03 = 10,260,455.82/x
  3. Step 3: Cross multiply
    18,409,392.78x = 25,404,990.03 × 10,260,455.82
  4. Step 4: Simplify right side
    18,409,392.78x = 260,666,777,810,355.50
  5. Step 5: Solve for x
    x = 260,666,777,810,355.50/18,409,392.78
  6. Step 6: Final answer
    x = 14,159,444.63

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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.