Finding the Fourth Proportional to 11,297,868.18, 15,592,762.71 and 6,890,151.48
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Solution
The fourth proportional to 11,297,868.18, 15,592,762.71 and 6,890,151.48 is: 9,509,448.63
Step by Step Solution
- Step 1: Write the proportion equation
11,297,868.18 : 15,592,762.71 = 6,890,151.48 : x - Step 2: Convert to fraction form
11,297,868.18/15,592,762.71 = 6,890,151.48/x - Step 3: Cross multiply
11,297,868.18x = 15,592,762.71 × 6,890,151.48 - Step 4: Simplify right side
11,297,868.18x = 107,436,497,063,595.33 - Step 5: Solve for x
x = 107,436,497,063,595.33/11,297,868.18 - Step 6: Final answer
x = 9,509,448.63
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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.