Home / 28,418,238.96-39,208,217.40-17,393,495.28

Finding the Fourth Proportional to 28,418,238.96, 39,208,217.40 and 17,393,495.28

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Solution

The fourth proportional to 28,418,238.96, 39,208,217.40 and 17,393,495.28 is: 23,997,544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418,238.96 : 39,208,217.40 = 17,393,495.28 : x
  2. Step 2: Convert to fraction form
    28,418,238.96/39,208,217.40 = 17,393,495.28/x
  3. Step 3: Cross multiply
    28,418,238.96x = 39,208,217.40 × 17,393,495.28
  4. Step 4: Simplify right side
    28,418,238.96x = 681,967,944,284,113.88
  5. Step 5: Solve for x
    x = 681,967,944,284,113.88/28,418,238.96
  6. Step 6: Final answer
    x = 23,997,544.16

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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.