Finding the Fourth Proportional to 21,647,169.88, 29,873,313.98 and 13,060,807
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Solution
The fourth proportional to 21,647,169.88, 29,873,313.98 and 13,060,807 is: 18,024,046.12
Step by Step Solution
- Step 1: Write the proportion equation
21,647,169.88 : 29,873,313.98 = 13,060,807 : x - Step 2: Convert to fraction form
21,647,169.88/29,873,313.98 = 13,060,807/x - Step 3: Cross multiply
21,647,169.88x = 29,873,313.98 × 13,060,807 - Step 4: Simplify right side
21,647,169.88x = 390,169,588,343,181.88 - Step 5: Solve for x
x = 390,169,588,343,181.88/21,647,169.88 - Step 6: Final answer
x = 18,024,046.12
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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.