Home / 15,284,163.78-21,083,387.13-9,551,074.50

Finding the Fourth Proportional to 15,284,163.78, 21,083,387.13 and 9,551,074.50

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Solution

The fourth proportional to 15,284,163.78, 21,083,387.13 and 9,551,074.50 is: 13,175,009.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,284,163.78 : 21,083,387.13 = 9,551,074.50 : x
  2. Step 2: Convert to fraction form
    15,284,163.78/21,083,387.13 = 9,551,074.50/x
  3. Step 3: Cross multiply
    15,284,163.78x = 21,083,387.13 × 9,551,074.50
  4. Step 4: Simplify right side
    15,284,163.78x = 201,369,001,190,971.19
  5. Step 5: Solve for x
    x = 201,369,001,190,971.19/15,284,163.78
  6. Step 6: Final answer
    x = 13,175,009.38

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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.