Finding the Fourth Proportional to 23,579,856.37, 32,539,972.13 and 13,125,706.93
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Solution
The fourth proportional to 23,579,856.37, 32,539,972.13 and 13,125,706.93 is: 18,113,347.72
Step by Step Solution
- Step 1: Write the proportion equation
23,579,856.37 : 32,539,972.13 = 13,125,706.93 : x - Step 2: Convert to fraction form
23,579,856.37/32,539,972.13 = 13,125,706.93/x - Step 3: Cross multiply
23,579,856.37x = 32,539,972.13 × 13,125,706.93 - Step 4: Simplify right side
23,579,856.37x = 427,110,137,526,048 - Step 5: Solve for x
x = 427,110,137,526,048/23,579,856.37 - Step 6: Final answer
x = 18,113,347.72
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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.