Finding the Fourth Proportional to 11,720,604.80, 16,173,664.80 and 6,562,784
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Solution
The fourth proportional to 11,720,604.80, 16,173,664.80 and 6,562,784 is: 9,056,210.87
Step by Step Solution
- Step 1: Write the proportion equation
11,720,604.80 : 16,173,664.80 = 6,562,784 : x - Step 2: Convert to fraction form
11,720,604.80/16,173,664.80 = 6,562,784/x - Step 3: Cross multiply
11,720,604.80x = 16,173,664.80 × 6,562,784 - Step 4: Simplify right side
11,720,604.80x = 106,144,268,570,803.20 - Step 5: Solve for x
x = 106,144,268,570,803.20/11,720,604.80 - Step 6: Final answer
x = 9,056,210.87
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1.5x scale
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.