Finding the Fourth Proportional to 18,580,840.98, 27,871,541.63 and 6,450,689.63
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Solution
The fourth proportional to 18,580,840.98, 27,871,541.63 and 6,450,689.63 is: 9,676,131.71
Step by Step Solution
- Step 1: Write the proportion equation
18,580,840.98 : 27,871,541.63 = 6,450,689.63 : x - Step 2: Convert to fraction form
18,580,840.98/27,871,541.63 = 6,450,689.63/x - Step 3: Cross multiply
18,580,840.98x = 27,871,541.63 × 6,450,689.63 - Step 4: Simplify right side
18,580,840.98x = 179,790,664,564,754.28 - Step 5: Solve for x
x = 179,790,664,564,754.28/18,580,840.98 - Step 6: Final answer
x = 9,676,131.71
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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.