Finding the Fourth Proportional to 27,153,762.51, 37,471,928.80 and 14,763,855.76
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Solution
The fourth proportional to 27,153,762.51, 37,471,928.80 and 14,763,855.76 is: 20,373,977.70
Step by Step Solution
- Step 1: Write the proportion equation
27,153,762.51 : 37,471,928.80 = 14,763,855.76 : x - Step 2: Convert to fraction form
27,153,762.51/37,471,928.80 = 14,763,855.76/x - Step 3: Cross multiply
27,153,762.51x = 37,471,928.80 × 14,763,855.76 - Step 4: Simplify right side
27,153,762.51x = 553,230,151,852,189.81 - Step 5: Solve for x
x = 553,230,151,852,189.81/27,153,762.51 - Step 6: Final answer
x = 20,373,977.70
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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.