Home / 21,593,745.20-32,390,617.80-8,810,001.20

Finding the Fourth Proportional to 21,593,745.20, 32,390,617.80 and 8,810,001.20

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Solution

The fourth proportional to 21,593,745.20, 32,390,617.80 and 8,810,001.20 is: 13,215,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,593,745.20 : 32,390,617.80 = 8,810,001.20 : x
  2. Step 2: Convert to fraction form
    21,593,745.20/32,390,617.80 = 8,810,001.20/x
  3. Step 3: Cross multiply
    21,593,745.20x = 32,390,617.80 × 8,810,001.20
  4. Step 4: Simplify right side
    21,593,745.20x = 285,361,381,686,741.31
  5. Step 5: Solve for x
    x = 285,361,381,686,741.31/21,593,745.20
  6. Step 6: Final answer
    x = 13,215,001.80

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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.