Finding the Fourth Proportional to 18,312,486.21, 25,272,508.28 and 12,106,751.00
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Solution
The fourth proportional to 18,312,486.21, 25,272,508.28 and 12,106,751.00 is: 16,708,160.83
Step by Step Solution
- Step 1: Write the proportion equation
18,312,486.21 : 25,272,508.28 = 12,106,751.00 : x - Step 2: Convert to fraction form
18,312,486.21/25,272,508.28 = 12,106,751.00/x - Step 3: Cross multiply
18,312,486.21x = 25,272,508.28 × 12,106,751.00 - Step 4: Simplify right side
18,312,486.21x = 305,967,964,704,501.94 - Step 5: Solve for x
x = 305,967,964,704,501.94/18,312,486.21 - Step 6: Final answer
x = 16,708,160.83
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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.