Finding the Fourth Proportional to 29,035,465.70, 40,069,926.02 and 15,805,125.23
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Solution
The fourth proportional to 29,035,465.70, 40,069,926.02 and 15,805,125.23 is: 21,811,608.09
Step by Step Solution
- Step 1: Write the proportion equation
29,035,465.70 : 40,069,926.02 = 15,805,125.23 : x - Step 2: Convert to fraction form
29,035,465.70/40,069,926.02 = 15,805,125.23/x - Step 3: Cross multiply
29,035,465.70x = 40,069,926.02 × 15,805,125.23 - Step 4: Simplify right side
29,035,465.70x = 633,310,198,502,585.88 - Step 5: Solve for x
x = 633,310,198,502,585.88/29,035,465.70 - Step 6: Final answer
x = 21,811,608.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.