Finding the Fourth Proportional to 19,145,364.99, 28,718,297.39 and 6,365,869.69
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Solution
The fourth proportional to 19,145,364.99, 28,718,297.39 and 6,365,869.69 is: 9,548,887.63
Step by Step Solution
- Step 1: Write the proportion equation
19,145,364.99 : 28,718,297.39 = 6,365,869.69 : x - Step 2: Convert to fraction form
19,145,364.99/28,718,297.39 = 6,365,869.69/x - Step 3: Cross multiply
19,145,364.99x = 28,718,297.39 × 6,365,869.69 - Step 4: Simplify right side
19,145,364.99x = 182,816,938,903,407.12 - Step 5: Solve for x
x = 182,816,938,903,407.12/19,145,364.99 - Step 6: Final answer
x = 9,548,887.63
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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.