Finding the Fourth Proportional to 35,468,374.34, 48,946,899.84 and 20,780,526.08
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Solution
The fourth proportional to 35,468,374.34, 48,946,899.84 and 20,780,526.08 is: 28,677,444.28
Step by Step Solution
- Step 1: Write the proportion equation
35,468,374.34 : 48,946,899.84 = 20,780,526.08 : x - Step 2: Convert to fraction form
35,468,374.34/48,946,899.84 = 20,780,526.08/x - Step 3: Cross multiply
35,468,374.34x = 48,946,899.84 × 20,780,526.08 - Step 4: Simplify right side
35,468,374.34x = 1,017,142,328,660,267.88 - Step 5: Solve for x
x = 1,017,142,328,660,267.88/35,468,374.34 - Step 6: Final answer
x = 28,677,444.28
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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.