Home / 18,409,178.88-25,399,037.25-10,672,677.36

Finding the Fourth Proportional to 18,409,178.88, 25,399,037.25 and 10,672,677.36

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Solution

The fourth proportional to 18,409,178.88, 25,399,037.25 and 10,672,677.36 is: 14,725,031.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409,178.88 : 25,399,037.25 = 10,672,677.36 : x
  2. Step 2: Convert to fraction form
    18,409,178.88/25,399,037.25 = 10,672,677.36/x
  3. Step 3: Cross multiply
    18,409,178.88x = 25,399,037.25 × 10,672,677.36
  4. Step 4: Simplify right side
    18,409,178.88x = 271,075,729,823,871.66
  5. Step 5: Solve for x
    x = 271,075,729,823,871.66/18,409,178.88
  6. Step 6: Final answer
    x = 14,725,031.01

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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.