Home / 29,080,381.12-40,129,288.32-16,027,600.48

Finding the Fourth Proportional to 29,080,381.12, 40,129,288.32 and 16,027,600.48

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Solution

The fourth proportional to 29,080,381.12, 40,129,288.32 and 16,027,600.48 is: 22,117,186.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,080,381.12 : 40,129,288.32 = 16,027,600.48 : x
  2. Step 2: Convert to fraction form
    29,080,381.12/40,129,288.32 = 16,027,600.48/x
  3. Step 3: Cross multiply
    29,080,381.12x = 40,129,288.32 × 16,027,600.48
  4. Step 4: Simplify right side
    29,080,381.12x = 643,176,200,739,690.38
  5. Step 5: Solve for x
    x = 643,176,200,739,690.38/29,080,381.12
  6. Step 6: Final answer
    x = 22,117,186.09

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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.