Home / 21,329,344.80-31,994,017.20-5,372,992.80

Finding the Fourth Proportional to 21,329,344.80, 31,994,017.20 and 5,372,992.80

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Solution

The fourth proportional to 21,329,344.80, 31,994,017.20 and 5,372,992.80 is: 8,059,489.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,329,344.80 : 31,994,017.20 = 5,372,992.80 : x
  2. Step 2: Convert to fraction form
    21,329,344.80/31,994,017.20 = 5,372,992.80/x
  3. Step 3: Cross multiply
    21,329,344.80x = 31,994,017.20 × 5,372,992.80
  4. Step 4: Simplify right side
    21,329,344.80x = 171,903,624,058,676.16
  5. Step 5: Solve for x
    x = 171,903,624,058,676.16/21,329,344.80
  6. Step 6: Final answer
    x = 8,059,489.20

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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.