Finding the Fourth Proportional to 12,232,990.99, 16,881,408.87 and 6,651,237.42
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Solution
The fourth proportional to 12,232,990.99, 16,881,408.87 and 6,651,237.42 is: 9,178,643.10
Step by Step Solution
- Step 1: Write the proportion equation
12,232,990.99 : 16,881,408.87 = 6,651,237.42 : x - Step 2: Convert to fraction form
12,232,990.99/16,881,408.87 = 6,651,237.42/x - Step 3: Cross multiply
12,232,990.99x = 16,881,408.87 × 6,651,237.42 - Step 4: Simplify right side
12,232,990.99x = 112,282,258,378,463.92 - Step 5: Solve for x
x = 112,282,258,378,463.92/12,232,990.99 - Step 6: Final answer
x = 9,178,643.10
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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.