Home / 13,400,486.98-20,090,930.89-4,297,402.93

Finding the Fourth Proportional to 13,400,486.98, 20,090,930.89 and 4,297,402.93

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Solution

The fourth proportional to 13,400,486.98, 20,090,930.89 and 4,297,402.93 is: 6,442,961.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,400,486.98 : 20,090,930.89 = 4,297,402.93 : x
  2. Step 2: Convert to fraction form
    13,400,486.98/20,090,930.89 = 4,297,402.93/x
  3. Step 3: Cross multiply
    13,400,486.98x = 20,090,930.89 × 4,297,402.93
  4. Step 4: Simplify right side
    13,400,486.98x = 86,338,825,212,142.67
  5. Step 5: Solve for x
    x = 86,338,825,212,142.67/13,400,486.98
  6. Step 6: Final answer
    x = 6,442,961.76

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1.5x scale

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.