Finding the Fourth Proportional to 19,345,412.80, 29,081,104.80 and 13,704,702.40
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Solution
The fourth proportional to 19,345,412.80, 29,081,104.80 and 13,704,702.40 is: 20,601,673.94
Step by Step Solution
- Step 1: Write the proportion equation
19,345,412.80 : 29,081,104.80 = 13,704,702.40 : x - Step 2: Convert to fraction form
19,345,412.80/29,081,104.80 = 13,704,702.40/x - Step 3: Cross multiply
19,345,412.80x = 29,081,104.80 × 13,704,702.40 - Step 4: Simplify right side
19,345,412.80x = 398,547,886,747,211.56 - Step 5: Solve for x
x = 398,547,886,747,211.56/19,345,412.80 - Step 6: Final answer
x = 20,601,673.94
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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.