Home / 18,689,544.78-25,791,522.75-10,429,519.02

Finding the Fourth Proportional to 18,689,544.78, 25,791,522.75 and 10,429,519.02

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Solution

The fourth proportional to 18,689,544.78, 25,791,522.75 and 10,429,519.02 is: 14,392,708.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,689,544.78 : 25,791,522.75 = 10,429,519.02 : x
  2. Step 2: Convert to fraction form
    18,689,544.78/25,791,522.75 = 10,429,519.02/x
  3. Step 3: Cross multiply
    18,689,544.78x = 25,791,522.75 × 10,429,519.02
  4. Step 4: Simplify right side
    18,689,544.78x = 268,993,177,075,887.69
  5. Step 5: Solve for x
    x = 268,993,177,075,887.69/18,689,544.78
  6. Step 6: Final answer
    x = 14,392,708.88

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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.