Home / 15,638,513.84-21,568,354.08-11,007,628.80

Finding the Fourth Proportional to 15,638,513.84, 21,568,354.08 and 11,007,628.80

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Solution

The fourth proportional to 15,638,513.84, 21,568,354.08 and 11,007,628.80 is: 15,181,521.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,638,513.84 : 21,568,354.08 = 11,007,628.80 : x
  2. Step 2: Convert to fraction form
    15,638,513.84/21,568,354.08 = 11,007,628.80/x
  3. Step 3: Cross multiply
    15,638,513.84x = 21,568,354.08 × 11,007,628.80
  4. Step 4: Simplify right side
    15,638,513.84x = 237,416,435,539,605.50
  5. Step 5: Solve for x
    x = 237,416,435,539,605.50/15,638,513.84
  6. Step 6: Final answer
    x = 15,181,521.59

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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.