Finding the Fourth Proportional to 11,875,884.18, 16,383,848.45 and 7,225,941.62
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Solution
The fourth proportional to 11,875,884.18, 16,383,848.45 and 7,225,941.62 is: 9,968,835.20
Step by Step Solution
- Step 1: Write the proportion equation
11,875,884.18 : 16,383,848.45 = 7,225,941.62 : x - Step 2: Convert to fraction form
11,875,884.18/16,383,848.45 = 7,225,941.62/x - Step 3: Cross multiply
11,875,884.18x = 16,383,848.45 × 7,225,941.62 - Step 4: Simplify right side
11,875,884.18x = 118,388,732,292,578.55 - Step 5: Solve for x
x = 118,388,732,292,578.55/11,875,884.18 - Step 6: Final answer
x = 9,968,835.20
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1.5x scale
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.