Home / 15,294,549.33-21,107,012.00-8,325,800.80

Finding the Fourth Proportional to 15,294,549.33, 21,107,012.00 and 8,325,800.80

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Solution

The fourth proportional to 15,294,549.33, 21,107,012.00 and 8,325,800.80 is: 11,489,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,294,549.33 : 21,107,012.00 = 8,325,800.80 : x
  2. Step 2: Convert to fraction form
    15,294,549.33/21,107,012.00 = 8,325,800.80/x
  3. Step 3: Cross multiply
    15,294,549.33x = 21,107,012.00 × 8,325,800.80
  4. Step 4: Simplify right side
    15,294,549.33x = 175,732,777,300,813.09
  5. Step 5: Solve for x
    x = 175,732,777,300,813.09/15,294,549.33
  6. Step 6: Final answer
    x = 11,489,895.75

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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.