Home / 21,458,433.32-29,613,416.69-12,292,847.54

Finding the Fourth Proportional to 21,458,433.32, 29,613,416.69 and 12,292,847.54

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Solution

The fourth proportional to 21,458,433.32, 29,613,416.69 and 12,292,847.54 is: 16,964,575.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,458,433.32 : 29,613,416.69 = 12,292,847.54 : x
  2. Step 2: Convert to fraction form
    21,458,433.32/29,613,416.69 = 12,292,847.54/x
  3. Step 3: Cross multiply
    21,458,433.32x = 29,613,416.69 × 12,292,847.54
  4. Step 4: Simplify right side
    21,458,433.32x = 364,033,216,299,130.12
  5. Step 5: Solve for x
    x = 364,033,216,299,130.12/21,458,433.32
  6. Step 6: Final answer
    x = 16,964,575.70

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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.