Home / 8,550,978.72-11,800,541.76-4,879,822.20

Finding the Fourth Proportional to 8,550,978.72, 11,800,541.76 and 4,879,822.20

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Solution

The fourth proportional to 8,550,978.72, 11,800,541.76 and 4,879,822.20 is: 6,734,263.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550,978.72 : 11,800,541.76 = 4,879,822.20 : x
  2. Step 2: Convert to fraction form
    8,550,978.72/11,800,541.76 = 4,879,822.20/x
  3. Step 3: Cross multiply
    8,550,978.72x = 11,800,541.76 × 4,879,822.20
  4. Step 4: Simplify right side
    8,550,978.72x = 57,584,545,652,475.07
  5. Step 5: Solve for x
    x = 57,584,545,652,475.07/8,550,978.72
  6. Step 6: Final answer
    x = 6,734,263.71

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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.