Home / 21,674,316.20-32,511,474.30-8,903,985.80

Finding the Fourth Proportional to 21,674,316.20, 32,511,474.30 and 8,903,985.80

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Solution

The fourth proportional to 21,674,316.20, 32,511,474.30 and 8,903,985.80 is: 13,355,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,674,316.20 : 32,511,474.30 = 8,903,985.80 : x
  2. Step 2: Convert to fraction form
    21,674,316.20/32,511,474.30 = 8,903,985.80/x
  3. Step 3: Cross multiply
    21,674,316.20x = 32,511,474.30 × 8,903,985.80
  4. Step 4: Simplify right side
    21,674,316.20x = 289,481,705,504,265
  5. Step 5: Solve for x
    x = 289,481,705,504,265/21,674,316.20
  6. Step 6: Final answer
    x = 13,355,978.70

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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.