Home / 21,505,311.80-32,257,967.70-8,731,935.80

Finding the Fourth Proportional to 21,505,311.80, 32,257,967.70 and 8,731,935.80

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Solution

The fourth proportional to 21,505,311.80, 32,257,967.70 and 8,731,935.80 is: 13,097,903.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,505,311.80 : 32,257,967.70 = 8,731,935.80 : x
  2. Step 2: Convert to fraction form
    21,505,311.80/32,257,967.70 = 8,731,935.80/x
  3. Step 3: Cross multiply
    21,505,311.80x = 32,257,967.70 × 8,731,935.80
  4. Step 4: Simplify right side
    21,505,311.80x = 281,674,502,994,873.69
  5. Step 5: Solve for x
    x = 281,674,502,994,873.69/21,505,311.80
  6. Step 6: Final answer
    x = 13,097,903.70

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1.5x scale

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.