Finding the Fourth Proportional to 26,604,611.70, 39,912,822.45 and 12,224,211.90
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Solution
The fourth proportional to 26,604,611.70, 39,912,822.45 and 12,224,211.90 is: 18,339,031.02
Step by Step Solution
- Step 1: Write the proportion equation
26,604,611.70 : 39,912,822.45 = 12,224,211.90 : x - Step 2: Convert to fraction form
26,604,611.70/39,912,822.45 = 12,224,211.90/x - Step 3: Cross multiply
26,604,611.70x = 39,912,822.45 × 12,224,211.90 - Step 4: Simplify right side
26,604,611.70x = 487,902,799,155,877.19 - Step 5: Solve for x
x = 487,902,799,155,877.19/26,604,611.70 - Step 6: Final answer
x = 18,339,031.02
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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.