Finding the Fourth Proportional to 19,579,349.94, 29,369,030.31 and 7,281,706.52
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Solution
The fourth proportional to 19,579,349.94, 29,369,030.31 and 7,281,706.52 is: 10,922,561.78
Step by Step Solution
- Step 1: Write the proportion equation
19,579,349.94 : 29,369,030.31 = 7,281,706.52 : x - Step 2: Convert to fraction form
19,579,349.94/29,369,030.31 = 7,281,706.52/x - Step 3: Cross multiply
19,579,349.94x = 29,369,030.31 × 7,281,706.52 - Step 4: Simplify right side
19,579,349.94x = 213,856,659,347,559.44 - Step 5: Solve for x
x = 213,856,659,347,559.44/19,579,349.94 - Step 6: Final answer
x = 10,922,561.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.