Finding the Fourth Proportional to 23,528,911.42, 32,470,873.92 and 13,074,888.70
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Solution
The fourth proportional to 23,528,911.42, 32,470,873.92 and 13,074,888.70 is: 18,043,888.85
Step by Step Solution
- Step 1: Write the proportion equation
23,528,911.42 : 32,470,873.92 = 13,074,888.70 : x - Step 2: Convert to fraction form
23,528,911.42/32,470,873.92 = 13,074,888.70/x - Step 3: Cross multiply
23,528,911.42x = 32,470,873.92 × 13,074,888.70 - Step 4: Simplify right side
23,528,911.42x = 424,553,062,495,732.69 - Step 5: Solve for x
x = 424,553,062,495,732.69/23,528,911.42 - Step 6: Final answer
x = 18,043,888.85
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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.