Finding the Fourth Proportional to 10,057,750.08, 13,879,284.86 and 5,706,742.74
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Solution
The fourth proportional to 10,057,750.08, 13,879,284.86 and 5,706,742.74 is: 7,875,072.21
Step by Step Solution
- Step 1: Write the proportion equation
10,057,750.08 : 13,879,284.86 = 5,706,742.74 : x - Step 2: Convert to fraction form
10,057,750.08/13,879,284.86 = 5,706,742.74/x - Step 3: Cross multiply
10,057,750.08x = 13,879,284.86 × 5,706,742.74 - Step 4: Simplify right side
10,057,750.08x = 79,205,508,111,196.92 - Step 5: Solve for x
x = 79,205,508,111,196.92/10,057,750.08 - Step 6: Final answer
x = 7,875,072.21
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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.