Finding the Fourth Proportional to 16,117,878.71, 22,242,463.84 and 8,775,627.77
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Solution
The fourth proportional to 16,117,878.71, 22,242,463.84 and 8,775,627.77 is: 12,110,252.65
Step by Step Solution
- Step 1: Write the proportion equation
16,117,878.71 : 22,242,463.84 = 8,775,627.77 : x - Step 2: Convert to fraction form
16,117,878.71/22,242,463.84 = 8,775,627.77/x - Step 3: Cross multiply
16,117,878.71x = 22,242,463.84 × 8,775,627.77 - Step 4: Simplify right side
16,117,878.71x = 195,191,583,347,524.81 - Step 5: Solve for x
x = 195,191,583,347,524.81/16,117,878.71 - Step 6: Final answer
x = 12,110,252.65
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1.5x scale
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.