Finding the Fourth Proportional to 19,578,159.46, 27,020,351.08 and 11,843,257.12
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Solution
The fourth proportional to 19,578,159.46, 27,020,351.08 and 11,843,257.12 is: 16,345,201.70
Step by Step Solution
- Step 1: Write the proportion equation
19,578,159.46 : 27,020,351.08 = 11,843,257.12 : x - Step 2: Convert to fraction form
19,578,159.46/27,020,351.08 = 11,843,257.12/x - Step 3: Cross multiply
19,578,159.46x = 27,020,351.08 × 11,843,257.12 - Step 4: Simplify right side
19,578,159.46x = 320,008,965,313,109.62 - Step 5: Solve for x
x = 320,008,965,313,109.62/19,578,159.46 - Step 6: Final answer
x = 16,345,201.70
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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.