Home / 7,484,668.72-10,328,221.91-4,222,285.18

Finding the Fourth Proportional to 7,484,668.72, 10,328,221.91 and 4,222,285.18

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Solution

The fourth proportional to 7,484,668.72, 10,328,221.91 and 4,222,285.18 is: 5,826,403.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,484,668.72 : 10,328,221.91 = 4,222,285.18 : x
  2. Step 2: Convert to fraction form
    7,484,668.72/10,328,221.91 = 4,222,285.18/x
  3. Step 3: Cross multiply
    7,484,668.72x = 10,328,221.91 × 4,222,285.18
  4. Step 4: Simplify right side
    7,484,668.72x = 43,608,698,291,079.45
  5. Step 5: Solve for x
    x = 43,608,698,291,079.45/7,484,668.72
  6. Step 6: Final answer
    x = 5,826,403.27

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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.