Finding the Fourth Proportional to 26,571,982.62, 36,669,447.99 and 14,969,685.18
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Solution
The fourth proportional to 26,571,982.62, 36,669,447.99 and 14,969,685.18 is: 20,658,228.63
Step by Step Solution
- Step 1: Write the proportion equation
26,571,982.62 : 36,669,447.99 = 14,969,685.18 : x - Step 2: Convert to fraction form
26,571,982.62/36,669,447.99 = 14,969,685.18/x - Step 3: Cross multiply
26,571,982.62x = 36,669,447.99 × 14,969,685.18 - Step 4: Simplify right side
26,571,982.62x = 548,930,092,134,683.81 - Step 5: Solve for x
x = 548,930,092,134,683.81/26,571,982.62 - Step 6: Final answer
x = 20,658,228.63
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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.