Finding the Fourth Proportional to 18,506,497.44, 27,765,553.44 and 11,129,036.06
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Solution
The fourth proportional to 18,506,497.44, 27,765,553.44 and 11,129,036.06 is: 16,697,046.35
Step by Step Solution
- Step 1: Write the proportion equation
18,506,497.44 : 27,765,553.44 = 11,129,036.06 : x - Step 2: Convert to fraction form
18,506,497.44/27,765,553.44 = 11,129,036.06/x - Step 3: Cross multiply
18,506,497.44x = 27,765,553.44 × 11,129,036.06 - Step 4: Simplify right side
18,506,497.44x = 309,003,845,459,617.06 - Step 5: Solve for x
x = 309,003,845,459,617.06/18,506,497.44 - Step 6: Final answer
x = 16,697,046.35
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.