Home / 21,706,676.40-32,581,009.80-13,203,620.40

Finding the Fourth Proportional to 21,706,676.40, 32,581,009.80 and 13,203,620.40

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Solution

The fourth proportional to 21,706,676.40, 32,581,009.80 and 13,203,620.40 is: 19,818,201.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,706,676.40 : 32,581,009.80 = 13,203,620.40 : x
  2. Step 2: Convert to fraction form
    21,706,676.40/32,581,009.80 = 13,203,620.40/x
  3. Step 3: Cross multiply
    21,706,676.40x = 32,581,009.80 × 13,203,620.40
  4. Step 4: Simplify right side
    21,706,676.40x = 430,187,285,647,879.94
  5. Step 5: Solve for x
    x = 430,187,285,647,879.94/21,706,676.40
  6. Step 6: Final answer
    x = 19,818,201.45

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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.