Finding the Fourth Proportional to 21,049,165.14, 29,047,848.12 and 11,391,373.14
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Solution
The fourth proportional to 21,049,165.14, 29,047,848.12 and 11,391,373.14 is: 15,720,095.06
Step by Step Solution
- Step 1: Write the proportion equation
21,049,165.14 : 29,047,848.12 = 11,391,373.14 : x - Step 2: Convert to fraction form
21,049,165.14/29,047,848.12 = 11,391,373.14/x - Step 3: Cross multiply
21,049,165.14x = 29,047,848.12 × 11,391,373.14 - Step 4: Simplify right side
21,049,165.14x = 330,894,876,848,967.50 - Step 5: Solve for x
x = 330,894,876,848,967.50/21,049,165.14 - Step 6: Final answer
x = 15,720,095.06
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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.