Home / 28,839,256.44-39,798,115.98-15,786,519

Finding the Fourth Proportional to 28,839,256.44, 39,798,115.98 and 15,786,519

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Solution

The fourth proportional to 28,839,256.44, 39,798,115.98 and 15,786,519 is: 21,785,364.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,839,256.44 : 39,798,115.98 = 15,786,519 : x
  2. Step 2: Convert to fraction form
    28,839,256.44/39,798,115.98 = 15,786,519/x
  3. Step 3: Cross multiply
    28,839,256.44x = 39,798,115.98 × 15,786,519
  4. Step 4: Simplify right side
    28,839,256.44x = 628,273,714,082,473.62
  5. Step 5: Solve for x
    x = 628,273,714,082,473.62/28,839,256.44
  6. Step 6: Final answer
    x = 21,785,364.52

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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.