Finding the Fourth Proportional to 21,647,166.88, 29,873,309.84 and 13,060,804
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Solution
The fourth proportional to 21,647,166.88, 29,873,309.84 and 13,060,804 is: 18,024,041.98
Step by Step Solution
- Step 1: Write the proportion equation
21,647,166.88 : 29,873,309.84 = 13,060,804 : x - Step 2: Convert to fraction form
21,647,166.88/29,873,309.84 = 13,060,804/x - Step 3: Cross multiply
21,647,166.88x = 29,873,309.84 × 13,060,804 - Step 4: Simplify right side
21,647,166.88x = 390,169,444,651,511.38 - Step 5: Solve for x
x = 390,169,444,651,511.38/21,647,166.88 - Step 6: Final answer
x = 18,024,041.98
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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.