Finding the Fourth Proportional to 18,960,404.12, 26,165,171.68 and 10,258,385.80
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Solution
The fourth proportional to 18,960,404.12, 26,165,171.68 and 10,258,385.80 is: 14,156,471.77
Step by Step Solution
- Step 1: Write the proportion equation
18,960,404.12 : 26,165,171.68 = 10,258,385.80 : x - Step 2: Convert to fraction form
18,960,404.12/26,165,171.68 = 10,258,385.80/x - Step 3: Cross multiply
18,960,404.12x = 26,165,171.68 × 10,258,385.80 - Step 4: Simplify right side
18,960,404.12x = 268,412,425,616,674.16 - Step 5: Solve for x
x = 268,412,425,616,674.16/18,960,404.12 - Step 6: Final answer
x = 14,156,471.77
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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.