Home / 21,997,511.40-33,008,076.90-9,219,307.80

Finding the Fourth Proportional to 21,997,511.40, 33,008,076.90 and 9,219,307.80

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Solution

The fourth proportional to 21,997,511.40, 33,008,076.90 and 9,219,307.80 is: 13,833,911.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,997,511.40 : 33,008,076.90 = 9,219,307.80 : x
  2. Step 2: Convert to fraction form
    21,997,511.40/33,008,076.90 = 9,219,307.80/x
  3. Step 3: Cross multiply
    21,997,511.40x = 33,008,076.90 × 9,219,307.80
  4. Step 4: Simplify right side
    21,997,511.40x = 304,311,620,827,169.81
  5. Step 5: Solve for x
    x = 304,311,620,827,169.81/21,997,511.40
  6. Step 6: Final answer
    x = 13,833,911.27

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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.