Finding the Fourth Proportional to 11,275,547.15, 15,560,265.04 and 6,118,908.70
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Solution
The fourth proportional to 11,275,547.15, 15,560,265.04 and 6,118,908.70 is: 8,444,099.41
Step by Step Solution
- Step 1: Write the proportion equation
11,275,547.15 : 15,560,265.04 = 6,118,908.70 : x - Step 2: Convert to fraction form
11,275,547.15/15,560,265.04 = 6,118,908.70/x - Step 3: Cross multiply
11,275,547.15x = 15,560,265.04 × 6,118,908.70 - Step 4: Simplify right side
11,275,547.15x = 95,211,841,036,898.42 - Step 5: Solve for x
x = 95,211,841,036,898.42/11,275,547.15 - Step 6: Final answer
x = 8,444,099.41
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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.