Finding the Fourth Proportional to 22,941,638.44, 31,660,158.35 and 16,247,962.98
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Solution
The fourth proportional to 22,941,638.44, 31,660,158.35 and 16,247,962.98 is: 22,422,682.76
Step by Step Solution
- Step 1: Write the proportion equation
22,941,638.44 : 31,660,158.35 = 16,247,962.98 : x - Step 2: Convert to fraction form
22,941,638.44/31,660,158.35 = 16,247,962.98/x - Step 3: Cross multiply
22,941,638.44x = 31,660,158.35 × 16,247,962.98 - Step 4: Simplify right side
22,941,638.44x = 514,413,080,811,737.94 - Step 5: Solve for x
x = 514,413,080,811,737.94/22,941,638.44 - Step 6: Final answer
x = 22,422,682.76
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.