Home / 28,999,238.09-40,018,899.83-16,613,341.31

Finding the Fourth Proportional to 28,999,238.09, 40,018,899.83 and 16,613,341.31

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Solution

The fourth proportional to 28,999,238.09, 40,018,899.83 and 16,613,341.31 is: 22,926,383.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,999,238.09 : 40,018,899.83 = 16,613,341.31 : x
  2. Step 2: Convert to fraction form
    28,999,238.09/40,018,899.83 = 16,613,341.31/x
  3. Step 3: Cross multiply
    28,999,238.09x = 40,018,899.83 × 16,613,341.31
  4. Step 4: Simplify right side
    28,999,238.09x = 664,847,641,743,471.62
  5. Step 5: Solve for x
    x = 664,847,641,743,471.62/28,999,238.09
  6. Step 6: Final answer
    x = 22,926,383.09

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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.