Home / 21,458,429.94-29,613,412.03-12,292,844.16

Finding the Fourth Proportional to 21,458,429.94, 29,613,412.03 and 12,292,844.16

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Solution

The fourth proportional to 21,458,429.94, 29,613,412.03 and 12,292,844.16 is: 16,964,571.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,429.94 : 29,613,412.03 = 12,292,844.16 : x
  2. Step 2: Convert to fraction form
    21,458,429.94/29,613,412.03 = 12,292,844.16/x
  3. Step 3: Cross multiply
    21,458,429.94x = 29,613,412.03 × 12,292,844.16
  4. Step 4: Simplify right side
    21,458,429.94x = 364,033,059,130,659.25
  5. Step 5: Solve for x
    x = 364,033,059,130,659.25/21,458,429.94
  6. Step 6: Final answer
    x = 16,964,571.04

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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.