Finding the Fourth Proportional to 11,639,572.96, 16,063,863.55 and 6,413,106.55
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Solution
The fourth proportional to 11,639,572.96, 16,063,863.55 and 6,413,106.55 is: 8,850,777.34
Step by Step Solution
- Step 1: Write the proportion equation
11,639,572.96 : 16,063,863.55 = 6,413,106.55 : x - Step 2: Convert to fraction form
11,639,572.96/16,063,863.55 = 6,413,106.55/x - Step 3: Cross multiply
11,639,572.96x = 16,063,863.55 × 6,413,106.55 - Step 4: Simplify right side
11,639,572.96x = 103,019,268,550,811.25 - Step 5: Solve for x
x = 103,019,268,550,811.25/11,639,572.96 - Step 6: Final answer
x = 8,850,777.34
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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.