Home / 21,997,500.40-33,008,060.40-9,219,296.80

Finding the Fourth Proportional to 21,997,500.40, 33,008,060.40 and 9,219,296.80

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Solution

The fourth proportional to 21,997,500.40, 33,008,060.40 and 9,219,296.80 is: 13,833,894.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997,500.40 : 33,008,060.40 = 9,219,296.80 : x
  2. Step 2: Convert to fraction form
    21,997,500.40/33,008,060.40 = 9,219,296.80/x
  3. Step 3: Cross multiply
    21,997,500.40x = 33,008,060.40 × 9,219,296.80
  4. Step 4: Simplify right side
    21,997,500.40x = 304,311,105,619,926.75
  5. Step 5: Solve for x
    x = 304,311,105,619,926.75/21,997,500.40
  6. Step 6: Final answer
    x = 13,833,894.76

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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.