Home / 39,371,996.72-54,333,505.68-21,969,075.44

Finding the Fourth Proportional to 39,371,996.72, 54,333,505.68 and 21,969,075.44

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Solution

The fourth proportional to 39,371,996.72, 54,333,505.68 and 21,969,075.44 is: 30,317,407.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,371,996.72 : 54,333,505.68 = 21,969,075.44 : x
  2. Step 2: Convert to fraction form
    39,371,996.72/54,333,505.68 = 21,969,075.44/x
  3. Step 3: Cross multiply
    39,371,996.72x = 54,333,505.68 × 21,969,075.44
  4. Step 4: Simplify right side
    39,371,996.72x = 1,193,656,885,203,588.50
  5. Step 5: Solve for x
    x = 1,193,656,885,203,588.50/39,371,996.72
  6. Step 6: Final answer
    x = 30,317,407.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.