Finding the Fourth Proportional to 11,537,730.94, 15,926,971.24 and 7,188,965.85
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Solution
The fourth proportional to 11,537,730.94, 15,926,971.24 and 7,188,965.85 is: 9,923,827.56
Step by Step Solution
- Step 1: Write the proportion equation
11,537,730.94 : 15,926,971.24 = 7,188,965.85 : x - Step 2: Convert to fraction form
11,537,730.94/15,926,971.24 = 7,188,965.85/x - Step 3: Cross multiply
11,537,730.94x = 15,926,971.24 × 7,188,965.85 - Step 4: Simplify right side
11,537,730.94x = 114,498,452,338,292.16 - Step 5: Solve for x
x = 114,498,452,338,292.16/11,537,730.94 - Step 6: Final answer
x = 9,923,827.56
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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.