Finding the Fourth Proportional to 12,535,329.99, 17,292,388.93 and 8,186,961.63
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Solution
The fourth proportional to 12,535,329.99, 17,292,388.93 and 8,186,961.63 is: 11,293,849.05
Step by Step Solution
- Step 1: Write the proportion equation
12,535,329.99 : 17,292,388.93 = 8,186,961.63 : x - Step 2: Convert to fraction form
12,535,329.99/17,292,388.93 = 8,186,961.63/x - Step 3: Cross multiply
12,535,329.99x = 17,292,388.93 × 8,186,961.63 - Step 4: Simplify right side
12,535,329.99x = 141,572,124,705,325.81 - Step 5: Solve for x
x = 141,572,124,705,325.81/12,535,329.99 - Step 6: Final answer
x = 11,293,849.05
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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.