Finding the Fourth Proportional to 8,391,073.68, 11,576,402.28 and 4,719,148.08
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Solution
The fourth proportional to 8,391,073.68, 11,576,402.28 and 4,719,148.08 is: 6,510,580.01
Step by Step Solution
- Step 1: Write the proportion equation
8,391,073.68 : 11,576,402.28 = 4,719,148.08 : x - Step 2: Convert to fraction form
8,391,073.68/11,576,402.28 = 4,719,148.08/x - Step 3: Cross multiply
8,391,073.68x = 11,576,402.28 × 4,719,148.08 - Step 4: Simplify right side
8,391,073.68x = 54,630,756,592,969.62 - Step 5: Solve for x
x = 54,630,756,592,969.62/8,391,073.68 - Step 6: Final answer
x = 6,510,580.01
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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.