Home / 9,979,745.70-14,969,618.55-8,970,007.80

Finding the Fourth Proportional to 9,979,745.70, 14,969,618.55 and 8,970,007.80

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Solution

The fourth proportional to 9,979,745.70, 14,969,618.55 and 8,970,007.80 is: 13,455,011.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979,745.70 : 14,969,618.55 = 8,970,007.80 : x
  2. Step 2: Convert to fraction form
    9,979,745.70/14,969,618.55 = 8,970,007.80/x
  3. Step 3: Cross multiply
    9,979,745.70x = 14,969,618.55 × 8,970,007.80
  4. Step 4: Simplify right side
    9,979,745.70x = 134,277,595,156,524.70
  5. Step 5: Solve for x
    x = 134,277,595,156,524.70/9,979,745.70
  6. Step 6: Final answer
    x = 13,455,011.70

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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.