Finding the Fourth Proportional to 13,080,322.15, 19,607,293.74 and 8,226,097.68
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Solution
The fourth proportional to 13,080,322.15, 19,607,293.74 and 8,226,097.68 is: 12,330,851.77
Step by Step Solution
- Step 1: Write the proportion equation
13,080,322.15 : 19,607,293.74 = 8,226,097.68 : x - Step 2: Convert to fraction form
13,080,322.15/19,607,293.74 = 8,226,097.68/x - Step 3: Cross multiply
13,080,322.15x = 19,607,293.74 × 8,226,097.68 - Step 4: Simplify right side
13,080,322.15x = 161,291,513,545,692.50 - Step 5: Solve for x
x = 161,291,513,545,692.50/13,080,322.15 - Step 6: Final answer
x = 12,330,851.77
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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.