Home / 21,458,489.76-29,613,494.88-12,292,904.16

Finding the Fourth Proportional to 21,458,489.76, 29,613,494.88 and 12,292,904.16

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Solution

The fourth proportional to 21,458,489.76, 29,613,494.88 and 12,292,904.16 is: 16,964,654.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,489.76 : 29,613,494.88 = 12,292,904.16 : x
  2. Step 2: Convert to fraction form
    21,458,489.76/29,613,494.88 = 12,292,904.16/x
  3. Step 3: Cross multiply
    21,458,489.76x = 29,613,494.88 × 12,292,904.16
  4. Step 4: Simplify right side
    21,458,489.76x = 364,035,854,402,490.69
  5. Step 5: Solve for x
    x = 364,035,854,402,490.69/21,458,489.76
  6. Step 6: Final answer
    x = 16,964,654.01

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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.