Home / 14,090,297.49-21,128,783.62-5,458,440.86

Finding the Fourth Proportional to 14,090,297.49, 21,128,783.62 and 5,458,440.86

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Solution

The fourth proportional to 14,090,297.49, 21,128,783.62 and 5,458,440.86 is: 8,185,080.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,090,297.49 : 21,128,783.62 = 5,458,440.86 : x
  2. Step 2: Convert to fraction form
    14,090,297.49/21,128,783.62 = 5,458,440.86/x
  3. Step 3: Cross multiply
    14,090,297.49x = 21,128,783.62 × 5,458,440.86
  4. Step 4: Simplify right side
    14,090,297.49x = 115,330,215,727,862.81
  5. Step 5: Solve for x
    x = 115,330,215,727,862.81/14,090,297.49
  6. Step 6: Final answer
    x = 8,185,080.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.