Finding the Fourth Proportional to 11,285,908.03, 15,574,644.62 and 6,129,306.55
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Solution
The fourth proportional to 11,285,908.03, 15,574,644.62 and 6,129,306.55 is: 8,458,492.75
Step by Step Solution
- Step 1: Write the proportion equation
11,285,908.03 : 15,574,644.62 = 6,129,306.55 : x - Step 2: Convert to fraction form
11,285,908.03/15,574,644.62 = 6,129,306.55/x - Step 3: Cross multiply
11,285,908.03x = 15,574,644.62 × 6,129,306.55 - Step 4: Simplify right side
11,285,908.03x = 95,461,771,283,288.25 - Step 5: Solve for x
x = 95,461,771,283,288.25/11,285,908.03 - Step 6: Final answer
x = 8,458,492.75
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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.