Home / 18,657,321.68-25,745,972.78-10,284,325.28

Finding the Fourth Proportional to 18,657,321.68, 25,745,972.78 and 10,284,325.28

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Solution

The fourth proportional to 18,657,321.68, 25,745,972.78 and 10,284,325.28 is: 14,191,745.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,657,321.68 : 25,745,972.78 = 10,284,325.28 : x
  2. Step 2: Convert to fraction form
    18,657,321.68/25,745,972.78 = 10,284,325.28/x
  3. Step 3: Cross multiply
    18,657,321.68x = 25,745,972.78 × 10,284,325.28
  4. Step 4: Simplify right side
    18,657,321.68x = 264,779,958,719,545.88
  5. Step 5: Solve for x
    x = 264,779,958,719,545.88/18,657,321.68
  6. Step 6: Final answer
    x = 14,191,745.38

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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.