Home / 21,456,535.40-32,184,803.10-6,311,997.80

Finding the Fourth Proportional to 21,456,535.40, 32,184,803.10 and 6,311,997.80

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Solution

The fourth proportional to 21,456,535.40, 32,184,803.10 and 6,311,997.80 is: 9,467,996.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,535.40 : 32,184,803.10 = 6,311,997.80 : x
  2. Step 2: Convert to fraction form
    21,456,535.40/32,184,803.10 = 6,311,997.80/x
  3. Step 3: Cross multiply
    21,456,535.40x = 32,184,803.10 × 6,311,997.80
  4. Step 4: Simplify right side
    21,456,535.40x = 203,150,406,360,633.19
  5. Step 5: Solve for x
    x = 203,150,406,360,633.19/21,456,535.40
  6. Step 6: Final answer
    x = 9,467,996.70

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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.