Finding the Fourth Proportional to 19,378,049.10, 29,066,107.71 and 7,246,620.66
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Solution
The fourth proportional to 19,378,049.10, 29,066,107.71 and 7,246,620.66 is: 10,869,569.77
Step by Step Solution
- Step 1: Write the proportion equation
19,378,049.10 : 29,066,107.71 = 7,246,620.66 : x - Step 2: Convert to fraction form
19,378,049.10/29,066,107.71 = 7,246,620.66/x - Step 3: Cross multiply
19,378,049.10x = 29,066,107.71 × 7,246,620.66 - Step 4: Simplify right side
19,378,049.10x = 210,631,056,637,071.31 - Step 5: Solve for x
x = 210,631,056,637,071.31/19,378,049.10 - Step 6: Final answer
x = 10,869,569.77
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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.