Home / 7,647,004.80-11,470,507.20-4,245,782.40

Finding the Fourth Proportional to 7,647,004.80, 11,470,507.20 and 4,245,782.40

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Solution

The fourth proportional to 7,647,004.80, 11,470,507.20 and 4,245,782.40 is: 6,368,673.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,647,004.80 : 11,470,507.20 = 4,245,782.40 : x
  2. Step 2: Convert to fraction form
    7,647,004.80/11,470,507.20 = 4,245,782.40/x
  3. Step 3: Cross multiply
    7,647,004.80x = 11,470,507.20 × 4,245,782.40
  4. Step 4: Simplify right side
    7,647,004.80x = 48,701,277,588,833.28
  5. Step 5: Solve for x
    x = 48,701,277,588,833.28/7,647,004.80
  6. Step 6: Final answer
    x = 6,368,673.60

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1.5x scale

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.