Finding the Fourth Proportional to 21,673,522.08, 29,909,807.28 and 11,884,860
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Solution
The fourth proportional to 21,673,522.08, 29,909,807.28 and 11,884,860 is: 16,401,296.98
Step by Step Solution
- Step 1: Write the proportion equation
21,673,522.08 : 29,909,807.28 = 11,884,860 : x - Step 2: Convert to fraction form
21,673,522.08/29,909,807.28 = 11,884,860/x - Step 3: Cross multiply
21,673,522.08x = 29,909,807.28 × 11,884,860 - Step 4: Simplify right side
21,673,522.08x = 355,473,872,149,780.81 - Step 5: Solve for x
x = 355,473,872,149,780.81/21,673,522.08 - Step 6: Final answer
x = 16,401,296.98
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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.