Finding the Fourth Proportional to 25,971,279.24, 38,956,888.80 and 10,416,126.96
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Solution
The fourth proportional to 25,971,279.24, 38,956,888.80 and 10,416,126.96 is: 15,624,178.38
Step by Step Solution
- Step 1: Write the proportion equation
25,971,279.24 : 38,956,888.80 = 10,416,126.96 : x - Step 2: Convert to fraction form
25,971,279.24/38,956,888.80 = 10,416,126.96/x - Step 3: Cross multiply
25,971,279.24x = 38,956,888.80 × 10,416,126.96 - Step 4: Simplify right side
25,971,279.24x = 405,779,899,707,402.06 - Step 5: Solve for x
x = 405,779,899,707,402.06/25,971,279.24 - Step 6: Final answer
x = 15,624,178.38
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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.