Finding the Fourth Proportional to 10,533,645.75, 14,536,431.15 and 5,704,749.75
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Solution
The fourth proportional to 10,533,645.75, 14,536,431.15 and 5,704,749.75 is: 7,872,554.66
Step by Step Solution
- Step 1: Write the proportion equation
10,533,645.75 : 14,536,431.15 = 5,704,749.75 : x - Step 2: Convert to fraction form
10,533,645.75/14,536,431.15 = 5,704,749.75/x - Step 3: Cross multiply
10,533,645.75x = 14,536,431.15 × 5,704,749.75 - Step 4: Simplify right side
10,533,645.75x = 82,926,701,968,854.72 - Step 5: Solve for x
x = 82,926,701,968,854.72/10,533,645.75 - Step 6: Final answer
x = 7,872,554.66
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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.