Finding the Fourth Proportional to 18,226,931.80, 27,340,397.70 and 16,841,248.60
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Solution
The fourth proportional to 18,226,931.80, 27,340,397.70 and 16,841,248.60 is: 25,261,872.90
Step by Step Solution
- Step 1: Write the proportion equation
18,226,931.80 : 27,340,397.70 = 16,841,248.60 : x - Step 2: Convert to fraction form
18,226,931.80/27,340,397.70 = 16,841,248.60/x - Step 3: Cross multiply
18,226,931.80x = 27,340,397.70 × 16,841,248.60 - Step 4: Simplify right side
18,226,931.80x = 460,446,434,488,568.25 - Step 5: Solve for x
x = 460,446,434,488,568.25/18,226,931.80 - Step 6: Final answer
x = 25,261,872.90
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.