Finding the Fourth Proportional to 18,516,265.86, 25,551,319.64 and 10,255,838.42
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Solution
The fourth proportional to 18,516,265.86, 25,551,319.64 and 10,255,838.42 is: 14,152,432.66
Step by Step Solution
- Step 1: Write the proportion equation
18,516,265.86 : 25,551,319.64 = 10,255,838.42 : x - Step 2: Convert to fraction form
18,516,265.86/25,551,319.64 = 10,255,838.42/x - Step 3: Cross multiply
18,516,265.86x = 25,551,319.64 × 10,255,838.42 - Step 4: Simplify right side
18,516,265.86x = 262,050,205,645,612.56 - Step 5: Solve for x
x = 262,050,205,645,612.56/18,516,265.86 - Step 6: Final answer
x = 14,152,432.66
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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.