Finding the Fourth Proportional to 36,212,676.30, 54,319,014.45 and 19,206,564.30
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Solution
The fourth proportional to 36,212,676.30, 54,319,014.45 and 19,206,564.30 is: 28,809,846.45
Step by Step Solution
- Step 1: Write the proportion equation
36,212,676.30 : 54,319,014.45 = 19,206,564.30 : x - Step 2: Convert to fraction form
36,212,676.30/54,319,014.45 = 19,206,564.30/x - Step 3: Cross multiply
36,212,676.30x = 54,319,014.45 × 19,206,564.30 - Step 4: Simplify right side
36,212,676.30x = 1,043,281,643,746,554.25 - Step 5: Solve for x
x = 1,043,281,643,746,554.25/36,212,676.30 - Step 6: Final answer
x = 28,809,846.45
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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.