Finding the Fourth Proportional to 18,179,129.84, 27,266,680.40 and 6,507,035.12
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Solution
The fourth proportional to 18,179,129.84, 27,266,680.40 and 6,507,035.12 is: 9,759,831.66
Step by Step Solution
- Step 1: Write the proportion equation
18,179,129.84 : 27,266,680.40 = 6,507,035.12 : x - Step 2: Convert to fraction form
18,179,129.84/27,266,680.40 = 6,507,035.12/x - Step 3: Cross multiply
18,179,129.84x = 27,266,680.40 × 6,507,035.12 - Step 4: Simplify right side
18,179,129.84x = 177,425,246,968,615.66 - Step 5: Solve for x
x = 177,425,246,968,615.66/18,179,129.84 - Step 6: Final answer
x = 9,759,831.66
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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.