Finding the Fourth Proportional to 8,119,881.70, 12,182,541.71 and 2,655,228.44
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Solution
The fourth proportional to 8,119,881.70, 12,182,541.71 and 2,655,228.44 is: 3,983,731.84
Step by Step Solution
- Step 1: Write the proportion equation
8,119,881.70 : 12,182,541.71 = 2,655,228.44 : x - Step 2: Convert to fraction form
8,119,881.70/12,182,541.71 = 2,655,228.44/x - Step 3: Cross multiply
8,119,881.70x = 12,182,541.71 × 2,655,228.44 - Step 4: Simplify right side
8,119,881.70x = 32,347,431,237,058.44 - Step 5: Solve for x
x = 32,347,431,237,058.44/8,119,881.70 - Step 6: Final answer
x = 3,983,731.84
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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.