Home / 21,458,493.51-29,613,500.06-12,292,907.91

Finding the Fourth Proportional to 21,458,493.51, 29,613,500.06 and 12,292,907.91

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Solution

The fourth proportional to 21,458,493.51, 29,613,500.06 and 12,292,907.91 is: 16,964,659.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,493.51 : 29,613,500.06 = 12,292,907.91 : x
  2. Step 2: Convert to fraction form
    21,458,493.51/29,613,500.06 = 12,292,907.91/x
  3. Step 3: Cross multiply
    21,458,493.51x = 29,613,500.06 × 12,292,907.91
  4. Step 4: Simplify right side
    21,458,493.51x = 364,036,029,068,894.94
  5. Step 5: Solve for x
    x = 364,036,029,068,894.94/21,458,493.51
  6. Step 6: Final answer
    x = 16,964,659.19

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1.5x scale

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.