Home / 13,078,025.64-18,047,658.47-8,114,620.95

Finding the Fourth Proportional to 13,078,025.64, 18,047,658.47 and 8,114,620.95

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Solution

The fourth proportional to 13,078,025.64, 18,047,658.47 and 8,114,620.95 is: 11,198,166.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,078,025.64 : 18,047,658.47 = 8,114,620.95 : x
  2. Step 2: Convert to fraction form
    13,078,025.64/18,047,658.47 = 8,114,620.95/x
  3. Step 3: Cross multiply
    13,078,025.64x = 18,047,658.47 × 8,114,620.95
  4. Step 4: Simplify right side
    13,078,025.64x = 146,449,907,478,533.84
  5. Step 5: Solve for x
    x = 146,449,907,478,533.84/13,078,025.64
  6. Step 6: Final answer
    x = 11,198,166.41

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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.