Finding the Fourth Proportional to 10,894,558.80, 16,341,838.20 and 6,643,030.80
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Solution
The fourth proportional to 10,894,558.80, 16,341,838.20 and 6,643,030.80 is: 9,964,546.20
Step by Step Solution
- Step 1: Write the proportion equation
10,894,558.80 : 16,341,838.20 = 6,643,030.80 : x - Step 2: Convert to fraction form
10,894,558.80/16,341,838.20 = 6,643,030.80/x - Step 3: Cross multiply
10,894,558.80x = 16,341,838.20 × 6,643,030.80 - Step 4: Simplify right side
10,894,558.80x = 108,559,334,491,216.55 - Step 5: Solve for x
x = 108,559,334,491,216.55/10,894,558.80 - Step 6: Final answer
x = 9,964,546.20
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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.