Home / 28,956,226.80-39,949,588.44-18,508,354.80

Finding the Fourth Proportional to 28,956,226.80, 39,949,588.44 and 18,508,354.80

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Solution

The fourth proportional to 28,956,226.80, 39,949,588.44 and 18,508,354.80 is: 25,535,134.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,956,226.80 : 39,949,588.44 = 18,508,354.80 : x
  2. Step 2: Convert to fraction form
    28,956,226.80/39,949,588.44 = 18,508,354.80/x
  3. Step 3: Cross multiply
    28,956,226.80x = 39,949,588.44 × 18,508,354.80
  4. Step 4: Simplify right side
    28,956,226.80x = 739,401,156,961,498.50
  5. Step 5: Solve for x
    x = 739,401,156,961,498.50/28,956,226.80
  6. Step 6: Final answer
    x = 25,535,134.88

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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.