Home / 16,815,143.70-25,222,715.55-4,686,479.10

Finding the Fourth Proportional to 16,815,143.70, 25,222,715.55 and 4,686,479.10

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Solution

The fourth proportional to 16,815,143.70, 25,222,715.55 and 4,686,479.10 is: 7,029,718.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,815,143.70 : 25,222,715.55 = 4,686,479.10 : x
  2. Step 2: Convert to fraction form
    16,815,143.70/25,222,715.55 = 4,686,479.10/x
  3. Step 3: Cross multiply
    16,815,143.70x = 25,222,715.55 × 4,686,479.10
  4. Step 4: Simplify right side
    16,815,143.70x = 118,205,729,270,320
  5. Step 5: Solve for x
    x = 118,205,729,270,320/16,815,143.70
  6. Step 6: Final answer
    x = 7,029,718.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.