Finding the Fourth Proportional to 18,756,970.09, 25,884,062.78 and 10,384,712.99
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Solution
The fourth proportional to 18,756,970.09, 25,884,062.78 and 10,384,712.99 is: 14,330,596.13
Step by Step Solution
- Step 1: Write the proportion equation
18,756,970.09 : 25,884,062.78 = 10,384,712.99 : x - Step 2: Convert to fraction form
18,756,970.09/25,884,062.78 = 10,384,712.99/x - Step 3: Cross multiply
18,756,970.09x = 25,884,062.78 × 10,384,712.99 - Step 4: Simplify right side
18,756,970.09x = 268,798,562,985,441.53 - Step 5: Solve for x
x = 268,798,562,985,441.53/18,756,970.09 - Step 6: Final answer
x = 14,330,596.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.