Finding the Fourth Proportional to 23,106,820.22, 31,888,408.35 and 12,793,543.31
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Solution
The fourth proportional to 23,106,820.22, 31,888,408.35 and 12,793,543.31 is: 17,655,641.48
Step by Step Solution
- Step 1: Write the proportion equation
23,106,820.22 : 31,888,408.35 = 12,793,543.31 : x - Step 2: Convert to fraction form
23,106,820.22/31,888,408.35 = 12,793,543.31/x - Step 3: Cross multiply
23,106,820.22x = 31,888,408.35 × 12,793,543.31 - Step 4: Simplify right side
23,106,820.22x = 407,965,733,440,387.44 - Step 5: Solve for x
x = 407,965,733,440,387.44/23,106,820.22 - Step 6: Final answer
x = 17,655,641.48
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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.