Finding the Fourth Proportional to 19,729,186.65, 29,590,552.94 and 6,946,686.81
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Solution
The fourth proportional to 19,729,186.65, 29,590,552.94 and 6,946,686.81 is: 10,418,893.97
Step by Step Solution
- Step 1: Write the proportion equation
19,729,186.65 : 29,590,552.94 = 6,946,686.81 : x - Step 2: Convert to fraction form
19,729,186.65/29,590,552.94 = 6,946,686.81/x - Step 3: Cross multiply
19,729,186.65x = 29,590,552.94 × 6,946,686.81 - Step 4: Simplify right side
19,729,186.65x = 205,556,303,774,171.28 - Step 5: Solve for x
x = 205,556,303,774,171.28/19,729,186.65 - Step 6: Final answer
x = 10,418,893.97
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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.