Finding the Fourth Proportional to 19,528,047.20, 29,292,070.80 and 5,344,623.20
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Solution
The fourth proportional to 19,528,047.20, 29,292,070.80 and 5,344,623.20 is: 8,016,934.80
Step by Step Solution
- Step 1: Write the proportion equation
19,528,047.20 : 29,292,070.80 = 5,344,623.20 : x - Step 2: Convert to fraction form
19,528,047.20/29,292,070.80 = 5,344,623.20/x - Step 3: Cross multiply
19,528,047.20x = 29,292,070.80 × 5,344,623.20 - Step 4: Simplify right side
19,528,047.20x = 156,555,081,173,722.56 - Step 5: Solve for x
x = 156,555,081,173,722.56/19,528,047.20 - Step 6: Final answer
x = 8,016,934.80
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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.