Home / 13,400,486.37-20,090,929.97-4,297,402.32

Finding the Fourth Proportional to 13,400,486.37, 20,090,929.97 and 4,297,402.32

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Solution

The fourth proportional to 13,400,486.37, 20,090,929.97 and 4,297,402.32 is: 6,442,960.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,486.37 : 20,090,929.97 = 4,297,402.32 : x
  2. Step 2: Convert to fraction form
    13,400,486.37/20,090,929.97 = 4,297,402.32/x
  3. Step 3: Cross multiply
    13,400,486.37x = 20,090,929.97 × 4,297,402.32
  4. Step 4: Simplify right side
    13,400,486.37x = 86,338,808,999,438.05
  5. Step 5: Solve for x
    x = 86,338,808,999,438.05/13,400,486.37
  6. Step 6: Final answer
    x = 6,442,960.85

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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.