Finding the Fourth Proportional to 19,973,300.33, 27,582,190.10 and 18,885,158.02
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Solution
The fourth proportional to 19,973,300.33, 27,582,190.10 and 18,885,158.02 is: 26,079,516.66
Step by Step Solution
- Step 1: Write the proportion equation
19,973,300.33 : 27,582,190.10 = 18,885,158.02 : x - Step 2: Convert to fraction form
19,973,300.33/27,582,190.10 = 18,885,158.02/x - Step 3: Cross multiply
19,973,300.33x = 27,582,190.10 × 18,885,158.02 - Step 4: Simplify right side
19,973,300.33x = 520,894,018,744,269.62 - Step 5: Solve for x
x = 520,894,018,744,269.62/19,973,300.33 - Step 6: Final answer
x = 26,079,516.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.