Finding the Fourth Proportional to 17,721,871.08, 26,582,803.56 and 4,258,699.08
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Solution
The fourth proportional to 17,721,871.08, 26,582,803.56 and 4,258,699.08 is: 6,388,047.88
Step by Step Solution
- Step 1: Write the proportion equation
17,721,871.08 : 26,582,803.56 = 4,258,699.08 : x - Step 2: Convert to fraction form
17,721,871.08/26,582,803.56 = 4,258,699.08/x - Step 3: Cross multiply
17,721,871.08x = 26,582,803.56 × 4,258,699.08 - Step 4: Simplify right side
17,721,871.08x = 113,208,161,064,792.72 - Step 5: Solve for x
x = 113,208,161,064,792.72/17,721,871.08 - Step 6: Final answer
x = 6,388,047.88
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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.