Home / 11,483,605.90-15,847,661.54-7,071,661.45

Finding the Fourth Proportional to 11,483,605.90, 15,847,661.54 and 7,071,661.45

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Solution

The fourth proportional to 11,483,605.90, 15,847,661.54 and 7,071,661.45 is: 9,759,068.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483,605.90 : 15,847,661.54 = 7,071,661.45 : x
  2. Step 2: Convert to fraction form
    11,483,605.90/15,847,661.54 = 7,071,661.45/x
  3. Step 3: Cross multiply
    11,483,605.90x = 15,847,661.54 × 7,071,661.45
  4. Step 4: Simplify right side
    11,483,605.90x = 112,069,297,070,469.03
  5. Step 5: Solve for x
    x = 112,069,297,070,469.03/11,483,605.90
  6. Step 6: Final answer
    x = 9,759,068.54

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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.