Finding the Fourth Proportional to 13,163,752.19, 18,166,906.70 and 7,363,073.68
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Solution
The fourth proportional to 13,163,752.19, 18,166,906.70 and 7,363,073.68 is: 10,161,561.12
Step by Step Solution
- Step 1: Write the proportion equation
13,163,752.19 : 18,166,906.70 = 7,363,073.68 : x - Step 2: Convert to fraction form
13,163,752.19/18,166,906.70 = 7,363,073.68/x - Step 3: Cross multiply
13,163,752.19x = 18,166,906.70 × 7,363,073.68 - Step 4: Simplify right side
13,163,752.19x = 133,764,272,515,164.55 - Step 5: Solve for x
x = 133,764,272,515,164.55/13,163,752.19 - Step 6: Final answer
x = 10,161,561.12
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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.