Finding the Fourth Proportional to 11,068,567.07, 15,273,964.87 and 6,421,992.14
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Solution
The fourth proportional to 11,068,567.07, 15,273,964.87 and 6,421,992.14 is: 8,861,967.57
Step by Step Solution
- Step 1: Write the proportion equation
11,068,567.07 : 15,273,964.87 = 6,421,992.14 : x - Step 2: Convert to fraction form
11,068,567.07/15,273,964.87 = 6,421,992.14/x - Step 3: Cross multiply
11,068,567.07x = 15,273,964.87 × 6,421,992.14 - Step 4: Simplify right side
11,068,567.07x = 98,089,282,363,906.05 - Step 5: Solve for x
x = 98,089,282,363,906.05/11,068,567.07 - Step 6: Final answer
x = 8,861,967.57
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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.