Finding the Fourth Proportional to 14,170,714.68, 19,555,021.98 and 8,371,358.76
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Solution
The fourth proportional to 14,170,714.68, 19,555,021.98 and 8,371,358.76 is: 11,552,141.74
Step by Step Solution
- Step 1: Write the proportion equation
14,170,714.68 : 19,555,021.98 = 8,371,358.76 : x - Step 2: Convert to fraction form
14,170,714.68/19,555,021.98 = 8,371,358.76/x - Step 3: Cross multiply
14,170,714.68x = 19,555,021.98 × 8,371,358.76 - Step 4: Simplify right side
14,170,714.68x = 163,702,104,554,265.53 - Step 5: Solve for x
x = 163,702,104,554,265.53/14,170,714.68 - Step 6: Final answer
x = 11,552,141.74
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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.