Home / 13,997,327.40-20,992,840.20-5,021,879.40

Finding the Fourth Proportional to 13,997,327.40, 20,992,840.20 and 5,021,879.40

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Solution

The fourth proportional to 13,997,327.40, 20,992,840.20 and 5,021,879.40 is: 7,531,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,997,327.40 : 20,992,840.20 = 5,021,879.40 : x
  2. Step 2: Convert to fraction form
    13,997,327.40/20,992,840.20 = 5,021,879.40/x
  3. Step 3: Cross multiply
    13,997,327.40x = 20,992,840.20 × 5,021,879.40
  4. Step 4: Simplify right side
    13,997,327.40x = 105,423,511,747,871.89
  5. Step 5: Solve for x
    x = 105,423,511,747,871.89/13,997,327.40
  6. Step 6: Final answer
    x = 7,531,688.64

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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.