Finding the Fourth Proportional to 11,537,750.70, 15,926,998.49 and 7,188,985.62
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Solution
The fourth proportional to 11,537,750.70, 15,926,998.49 and 7,188,985.62 is: 9,923,854.84
Step by Step Solution
- Step 1: Write the proportion equation
11,537,750.70 : 15,926,998.49 = 7,188,985.62 : x - Step 2: Convert to fraction form
11,537,750.70/15,926,998.49 = 7,188,985.62/x - Step 3: Cross multiply
11,537,750.70x = 15,926,998.49 × 7,188,985.62 - Step 4: Simplify right side
11,537,750.70x = 114,498,963,114,371.72 - Step 5: Solve for x
x = 114,498,963,114,371.72/11,537,750.70 - Step 6: Final answer
x = 9,923,854.84
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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.