Finding the Fourth Proportional to 32,390,615.30, 48,585,922.95 and 13,214,999.30
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Solution
The fourth proportional to 32,390,615.30, 48,585,922.95 and 13,214,999.30 is: 19,822,498.95
Step by Step Solution
- Step 1: Write the proportion equation
32,390,615.30 : 48,585,922.95 = 13,214,999.30 : x - Step 2: Convert to fraction form
32,390,615.30/48,585,922.95 = 13,214,999.30/x - Step 3: Cross multiply
32,390,615.30x = 48,585,922.95 × 13,214,999.30 - Step 4: Simplify right side
32,390,615.30x = 642,062,937,774,104 - Step 5: Solve for x
x = 642,062,937,774,104/32,390,615.30 - Step 6: Final answer
x = 19,822,498.95
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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.