Finding the Fourth Proportional to 26,712,232.68, 40,075,257.22 and 15,642,652.56
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Solution
The fourth proportional to 26,712,232.68, 40,075,257.22 and 15,642,652.56 is: 23,468,024.27
Step by Step Solution
- Step 1: Write the proportion equation
26,712,232.68 : 40,075,257.22 = 15,642,652.56 : x - Step 2: Convert to fraction form
26,712,232.68/40,075,257.22 = 15,642,652.56/x - Step 3: Cross multiply
26,712,232.68x = 40,075,257.22 × 15,642,652.56 - Step 4: Simplify right side
26,712,232.68x = 626,883,324,945,091.50 - Step 5: Solve for x
x = 626,883,324,945,091.50/26,712,232.68 - Step 6: Final answer
x = 23,468,024.27
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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.