Home / 21,458,443.01-29,613,430.10-12,292,857.23

Finding the Fourth Proportional to 21,458,443.01, 29,613,430.10 and 12,292,857.23

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Solution

The fourth proportional to 21,458,443.01, 29,613,430.10 and 12,292,857.23 is: 16,964,589.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,443.01 : 29,613,430.10 = 12,292,857.23 : x
  2. Step 2: Convert to fraction form
    21,458,443.01/29,613,430.10 = 12,292,857.23/x
  3. Step 3: Cross multiply
    21,458,443.01x = 29,613,430.10 × 12,292,857.23
  4. Step 4: Simplify right side
    21,458,443.01x = 364,033,668,309,884.62
  5. Step 5: Solve for x
    x = 364,033,668,309,884.62/21,458,443.01
  6. Step 6: Final answer
    x = 16,964,589.10

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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.