Finding the Fourth Proportional to 17,579,246.40, 26,384,421.60 and 10,381,780.80
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Solution
The fourth proportional to 17,579,246.40, 26,384,421.60 and 10,381,780.80 is: 15,581,855.75
Step by Step Solution
- Step 1: Write the proportion equation
17,579,246.40 : 26,384,421.60 = 10,381,780.80 : x - Step 2: Convert to fraction form
17,579,246.40/26,384,421.60 = 10,381,780.80/x - Step 3: Cross multiply
17,579,246.40x = 26,384,421.60 × 10,381,780.80 - Step 4: Simplify right side
17,579,246.40x = 273,917,281,585,985.31 - Step 5: Solve for x
x = 273,917,281,585,985.31/17,579,246.40 - Step 6: Final answer
x = 15,581,855.75
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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.