Finding the Fourth Proportional to 19,206,763.74, 28,799,514.36 and 7,855,183.98
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Solution
The fourth proportional to 19,206,763.74, 28,799,514.36 and 7,855,183.98 is: 11,778,428.00
Step by Step Solution
- Step 1: Write the proportion equation
19,206,763.74 : 28,799,514.36 = 7,855,183.98 : x - Step 2: Convert to fraction form
19,206,763.74/28,799,514.36 = 7,855,183.98/x - Step 3: Cross multiply
19,206,763.74x = 28,799,514.36 × 7,855,183.98 - Step 4: Simplify right side
19,206,763.74x = 226,225,483,832,451.97 - Step 5: Solve for x
x = 226,225,483,832,451.97/19,206,763.74 - Step 6: Final answer
x = 11,778,428.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.