Finding the Fourth Proportional to 8,605,740.99, 12,900,592.49 and 2,922,078.99
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Solution
The fourth proportional to 8,605,740.99, 12,900,592.49 and 2,922,078.99 is: 4,380,395.63
Step by Step Solution
- Step 1: Write the proportion equation
8,605,740.99 : 12,900,592.49 = 2,922,078.99 : x - Step 2: Convert to fraction form
8,605,740.99/12,900,592.49 = 2,922,078.99/x - Step 3: Cross multiply
8,605,740.99x = 12,900,592.49 × 2,922,078.99 - Step 4: Simplify right side
8,605,740.99x = 37,696,550,258,970.39 - Step 5: Solve for x
x = 37,696,550,258,970.39/8,605,740.99 - Step 6: Final answer
x = 4,380,395.63
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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.