Finding the Fourth Proportional to 19,453,475.68, 26,828,420.27 and 16,140,524.87
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Solution
The fourth proportional to 19,453,475.68, 26,828,420.27 and 16,140,524.87 is: 22,259,507.33
Step by Step Solution
- Step 1: Write the proportion equation
19,453,475.68 : 26,828,420.27 = 16,140,524.87 : x - Step 2: Convert to fraction form
19,453,475.68/26,828,420.27 = 16,140,524.87/x - Step 3: Cross multiply
19,453,475.68x = 26,828,420.27 × 16,140,524.87 - Step 4: Simplify right side
19,453,475.68x = 433,024,784,375,902.38 - Step 5: Solve for x
x = 433,024,784,375,902.38/19,453,475.68 - Step 6: Final answer
x = 22,259,507.33
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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.