Finding the Fourth Proportional to 11,097,663.40, 16,643,039.10 and 4,368,140.20
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Solution
The fourth proportional to 11,097,663.40, 16,643,039.10 and 4,368,140.20 is: 6,550,849.99
Step by Step Solution
- Step 1: Write the proportion equation
11,097,663.40 : 16,643,039.10 = 4,368,140.20 : x - Step 2: Convert to fraction form
11,097,663.40/16,643,039.10 = 4,368,140.20/x - Step 3: Cross multiply
11,097,663.40x = 16,643,039.10 × 4,368,140.20 - Step 4: Simplify right side
11,097,663.40x = 72,699,128,142,881.83 - Step 5: Solve for x
x = 72,699,128,142,881.83/11,097,663.40 - Step 6: Final answer
x = 6,550,849.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.