Home / 13,103,097.40-18,072,647.94-8,684,832.52

Finding the Fourth Proportional to 13,103,097.40, 18,072,647.94 and 8,684,832.52

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Solution

The fourth proportional to 13,103,097.40, 18,072,647.94 and 8,684,832.52 is: 11,978,688.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,103,097.40 : 18,072,647.94 = 8,684,832.52 : x
  2. Step 2: Convert to fraction form
    13,103,097.40/18,072,647.94 = 8,684,832.52/x
  3. Step 3: Cross multiply
    13,103,097.40x = 18,072,647.94 × 8,684,832.52
  4. Step 4: Simplify right side
    13,103,097.40x = 156,957,920,551,823
  5. Step 5: Solve for x
    x = 156,957,920,551,823/13,103,097.40
  6. Step 6: Final answer
    x = 11,978,688.38

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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.