Finding the Fourth Proportional to 14,302,607.40, 19,733,133.06 and 8,189,911.08
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Solution
The fourth proportional to 14,302,607.40, 19,733,133.06 and 8,189,911.08 is: 11,299,520.47
Step by Step Solution
- Step 1: Write the proportion equation
14,302,607.40 : 19,733,133.06 = 8,189,911.08 : x - Step 2: Convert to fraction form
14,302,607.40/19,733,133.06 = 8,189,911.08/x - Step 3: Cross multiply
14,302,607.40x = 19,733,133.06 × 8,189,911.08 - Step 4: Simplify right side
14,302,607.40x = 161,612,605,091,208.28 - Step 5: Solve for x
x = 161,612,605,091,208.28/14,302,607.40 - Step 6: Final answer
x = 11,299,520.47
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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.