Home / 21,456,536.40-32,184,804.60-6,311,998.80

Finding the Fourth Proportional to 21,456,536.40, 32,184,804.60 and 6,311,998.80

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Solution

The fourth proportional to 21,456,536.40, 32,184,804.60 and 6,311,998.80 is: 9,467,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,456,536.40 : 32,184,804.60 = 6,311,998.80 : x
  2. Step 2: Convert to fraction form
    21,456,536.40/32,184,804.60 = 6,311,998.80/x
  3. Step 3: Cross multiply
    21,456,536.40x = 32,184,804.60 × 6,311,998.80
  4. Step 4: Simplify right side
    21,456,536.40x = 203,150,448,013,434.47
  5. Step 5: Solve for x
    x = 203,150,448,013,434.47/21,456,536.40
  6. Step 6: Final answer
    x = 9,467,998.20

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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.