Home / 6,645,825.26-9,172,945.13-4,328,492.21

Finding the Fourth Proportional to 6,645,825.26, 9,172,945.13 and 4,328,492.21

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Solution

The fourth proportional to 6,645,825.26, 9,172,945.13 and 4,328,492.21 is: 5,974,430.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645,825.26 : 9,172,945.13 = 4,328,492.21 : x
  2. Step 2: Convert to fraction form
    6,645,825.26/9,172,945.13 = 4,328,492.21/x
  3. Step 3: Cross multiply
    6,645,825.26x = 9,172,945.13 × 4,328,492.21
  4. Step 4: Simplify right side
    6,645,825.26x = 39,705,021,537,962.44
  5. Step 5: Solve for x
    x = 39,705,021,537,962.44/6,645,825.26
  6. Step 6: Final answer
    x = 5,974,430.56

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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.