Finding the Fourth Proportional to 19,622,832.11, 29,432,002.26 and 5,247,020.91
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Solution
The fourth proportional to 19,622,832.11, 29,432,002.26 and 5,247,020.91 is: 7,869,930.82
Step by Step Solution
- Step 1: Write the proportion equation
19,622,832.11 : 29,432,002.26 = 5,247,020.91 : x - Step 2: Convert to fraction form
19,622,832.11/29,432,002.26 = 5,247,020.91/x - Step 3: Cross multiply
19,622,832.11x = 29,432,002.26 × 5,247,020.91 - Step 4: Simplify right side
19,622,832.11x = 154,430,331,281,387.28 - Step 5: Solve for x
x = 154,430,331,281,387.28/19,622,832.11 - Step 6: Final answer
x = 7,869,930.82
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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.