Home / 21,404,203.60-29,529,392.20-12,231,925.52

Finding the Fourth Proportional to 21,404,203.60, 29,529,392.20 and 12,231,925.52

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Solution

The fourth proportional to 21,404,203.60, 29,529,392.20 and 12,231,925.52 is: 16,875,251.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,404,203.60 : 29,529,392.20 = 12,231,925.52 : x
  2. Step 2: Convert to fraction form
    21,404,203.60/29,529,392.20 = 12,231,925.52/x
  3. Step 3: Cross multiply
    21,404,203.60x = 29,529,392.20 × 12,231,925.52
  4. Step 4: Simplify right side
    21,404,203.60x = 361,201,326,041,268.94
  5. Step 5: Solve for x
    x = 361,201,326,041,268.94/21,404,203.60
  6. Step 6: Final answer
    x = 16,875,251.83

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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.