Finding the Fourth Proportional to 19,458,152.19, 29,207,423.70 and 11,276,779.23
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Solution
The fourth proportional to 19,458,152.19, 29,207,423.70 and 11,276,779.23 is: 16,926,872.90
Step by Step Solution
- Step 1: Write the proportion equation
19,458,152.19 : 29,207,423.70 = 11,276,779.23 : x - Step 2: Convert to fraction form
19,458,152.19/29,207,423.70 = 11,276,779.23/x - Step 3: Cross multiply
19,458,152.19x = 29,207,423.70 × 11,276,779.23 - Step 4: Simplify right side
19,458,152.19x = 329,365,668,941,969.75 - Step 5: Solve for x
x = 329,365,668,941,969.75/19,458,152.19 - Step 6: Final answer
x = 16,926,872.90
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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.