Finding the Fourth Proportional to 16,117,877.84, 22,242,462.64 and 8,775,626.90
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Solution
The fourth proportional to 16,117,877.84, 22,242,462.64 and 8,775,626.90 is: 12,110,251.44
Step by Step Solution
- Step 1: Write the proportion equation
16,117,877.84 : 22,242,462.64 = 8,775,626.90 : x - Step 2: Convert to fraction form
16,117,877.84/22,242,462.64 = 8,775,626.90/x - Step 3: Cross multiply
16,117,877.84x = 22,242,462.64 × 8,775,626.90 - Step 4: Simplify right side
16,117,877.84x = 195,191,553,332,677.62 - Step 5: Solve for x
x = 195,191,553,332,677.62/16,117,877.84 - Step 6: Final answer
x = 12,110,251.44
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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.