Finding the Fourth Proportional to 19,718,193.85, 27,206,444.18 and 11,453,345.28
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Solution
The fourth proportional to 19,718,193.85, 27,206,444.18 and 11,453,345.28 is: 15,802,907.79
Step by Step Solution
- Step 1: Write the proportion equation
19,718,193.85 : 27,206,444.18 = 11,453,345.28 : x - Step 2: Convert to fraction form
19,718,193.85/27,206,444.18 = 11,453,345.28/x - Step 3: Cross multiply
19,718,193.85x = 27,206,444.18 × 11,453,345.28 - Step 4: Simplify right side
19,718,193.85x = 311,604,799,063,219.81 - Step 5: Solve for x
x = 311,604,799,063,219.81/19,718,193.85 - Step 6: Final answer
x = 15,802,907.79
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.