Finding the Fourth Proportional to 19,744,432.13, 29,592,391.43 and 11,090,341.05
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Solution
The fourth proportional to 19,744,432.13, 29,592,391.43 and 11,090,341.05 is: 16,621,886.68
Step by Step Solution
- Step 1: Write the proportion equation
19,744,432.13 : 29,592,391.43 = 11,090,341.05 : x - Step 2: Convert to fraction form
19,744,432.13/29,592,391.43 = 11,090,341.05/x - Step 3: Cross multiply
19,744,432.13x = 29,592,391.43 × 11,090,341.05 - Step 4: Simplify right side
19,744,432.13x = 328,189,713,388,345.50 - Step 5: Solve for x
x = 328,189,713,388,345.50/19,744,432.13 - Step 6: Final answer
x = 16,621,886.68
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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.