Finding the Fourth Proportional to 11,875,153.76, 16,387,643.76 and 6,442,529.12
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Solution
The fourth proportional to 11,875,153.76, 16,387,643.76 and 6,442,529.12 is: 8,890,653.06
Step by Step Solution
- Step 1: Write the proportion equation
11,875,153.76 : 16,387,643.76 = 6,442,529.12 : x - Step 2: Convert to fraction form
11,875,153.76/16,387,643.76 = 6,442,529.12/x - Step 3: Cross multiply
11,875,153.76x = 16,387,643.76 × 6,442,529.12 - Step 4: Simplify right side
11,875,153.76x = 105,577,872,131,986.30 - Step 5: Solve for x
x = 105,577,872,131,986.30/11,875,153.76 - Step 6: Final answer
x = 8,890,653.06
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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.