Finding the Fourth Proportional to 19,717,532.80, 29,526,532.80 and 12,949,302.40
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Solution
The fourth proportional to 19,717,532.80, 29,526,532.80 and 12,949,302.40 is: 19,391,269.99
Step by Step Solution
- Step 1: Write the proportion equation
19,717,532.80 : 29,526,532.80 = 12,949,302.40 : x - Step 2: Convert to fraction form
19,717,532.80/29,526,532.80 = 12,949,302.40/x - Step 3: Cross multiply
19,717,532.80x = 29,526,532.80 × 12,949,302.40 - Step 4: Simplify right side
19,717,532.80x = 382,348,002,050,718.75 - Step 5: Solve for x
x = 382,348,002,050,718.75/19,717,532.80 - Step 6: Final answer
x = 19,391,269.99
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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.