Finding the Fourth Proportional to 12,687,145.62, 17,508,277.35 and 6,885,926.70
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Solution
The fourth proportional to 12,687,145.62, 17,508,277.35 and 6,885,926.70 is: 9,502,587.74
Step by Step Solution
- Step 1: Write the proportion equation
12,687,145.62 : 17,508,277.35 = 6,885,926.70 : x - Step 2: Convert to fraction form
12,687,145.62/17,508,277.35 = 6,885,926.70/x - Step 3: Cross multiply
12,687,145.62x = 17,508,277.35 × 6,885,926.70 - Step 4: Simplify right side
12,687,145.62x = 120,560,714,475,370.27 - Step 5: Solve for x
x = 120,560,714,475,370.27/12,687,145.62 - Step 6: Final answer
x = 9,502,587.74
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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.