Home / 28,418,146.66-39,208,090.22-17,393,403.12

Finding the Fourth Proportional to 28,418,146.66, 39,208,090.22 and 17,393,403.12

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Solution

The fourth proportional to 28,418,146.66, 39,208,090.22 and 17,393,403.12 is: 23,997,417.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,418,146.66 : 39,208,090.22 = 17,393,403.12 : x
  2. Step 2: Convert to fraction form
    28,418,146.66/39,208,090.22 = 17,393,403.12/x
  3. Step 3: Cross multiply
    28,418,146.66x = 39,208,090.22 × 17,393,403.12
  4. Step 4: Simplify right side
    28,418,146.66x = 681,962,118,761,789.50
  5. Step 5: Solve for x
    x = 681,962,118,761,789.50/28,418,146.66
  6. Step 6: Final answer
    x = 23,997,417.11

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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.