Finding the Fourth Proportional to 18,962,971.00, 28,448,044.42 and 6,012,383.53
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Solution
The fourth proportional to 18,962,971.00, 28,448,044.42 and 6,012,383.53 is: 9,019,712.88
Step by Step Solution
- Step 1: Write the proportion equation
18,962,971.00 : 28,448,044.42 = 6,012,383.53 : x - Step 2: Convert to fraction form
18,962,971.00/28,448,044.42 = 6,012,383.53/x - Step 3: Cross multiply
18,962,971.00x = 28,448,044.42 × 6,012,383.53 - Step 4: Simplify right side
18,962,971.00x = 171,040,553,785,756.06 - Step 5: Solve for x
x = 171,040,553,785,756.06/18,962,971.00 - Step 6: Final answer
x = 9,019,712.88
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.