Finding the Fourth Proportional to 26,473,982.84, 36,530,117.90 and 14,869,323.96
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Solution
The fourth proportional to 26,473,982.84, 36,530,117.90 and 14,869,323.96 is: 20,517,432.55
Step by Step Solution
- Step 1: Write the proportion equation
26,473,982.84 : 36,530,117.90 = 14,869,323.96 : x - Step 2: Convert to fraction form
26,473,982.84/36,530,117.90 = 14,869,323.96/x - Step 3: Cross multiply
26,473,982.84x = 36,530,117.90 × 14,869,323.96 - Step 4: Simplify right side
26,473,982.84x = 543,178,157,352,094.88 - Step 5: Solve for x
x = 543,178,157,352,094.88/26,473,982.84 - Step 6: Final answer
x = 20,517,432.55
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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.