Home / 18,603,916.79-25,667,634.98-10,863,375.35

Finding the Fourth Proportional to 18,603,916.79, 25,667,634.98 and 10,863,375.35

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Solution

The fourth proportional to 18,603,916.79, 25,667,634.98 and 10,863,375.35 is: 14,988,088.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,603,916.79 : 25,667,634.98 = 10,863,375.35 : x
  2. Step 2: Convert to fraction form
    18,603,916.79/25,667,634.98 = 10,863,375.35/x
  3. Step 3: Cross multiply
    18,603,916.79x = 25,667,634.98 × 10,863,375.35
  4. Step 4: Simplify right side
    18,603,916.79x = 278,837,153,033,350.03
  5. Step 5: Solve for x
    x = 278,837,153,033,350.03/18,603,916.79
  6. Step 6: Final answer
    x = 14,988,088.60

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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.