Home / 11,483,612.66-15,847,670.84-7,071,668.21

Finding the Fourth Proportional to 11,483,612.66, 15,847,670.84 and 7,071,668.21

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Solution

The fourth proportional to 11,483,612.66, 15,847,670.84 and 7,071,668.21 is: 9,759,077.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,483,612.66 : 15,847,670.84 = 7,071,668.21 : x
  2. Step 2: Convert to fraction form
    11,483,612.66/15,847,670.84 = 7,071,668.21/x
  3. Step 3: Cross multiply
    11,483,612.66x = 15,847,670.84 × 7,071,668.21
  4. Step 4: Simplify right side
    11,483,612.66x = 112,069,470,081,772
  5. Step 5: Solve for x
    x = 112,069,470,081,772/11,483,612.66
  6. Step 6: Final answer
    x = 9,759,077.86

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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.