Finding the Fourth Proportional to 14,454,246.96, 19,946,889.60 and 7,927,930.08
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Solution
The fourth proportional to 14,454,246.96, 19,946,889.60 and 7,927,930.08 is: 10,940,559.30
Step by Step Solution
- Step 1: Write the proportion equation
14,454,246.96 : 19,946,889.60 = 7,927,930.08 : x - Step 2: Convert to fraction form
14,454,246.96/19,946,889.60 = 7,927,930.08/x - Step 3: Cross multiply
14,454,246.96x = 19,946,889.60 × 7,927,930.08 - Step 4: Simplify right side
14,454,246.96x = 158,137,546,062,279.19 - Step 5: Solve for x
x = 158,137,546,062,279.19/14,454,246.96 - Step 6: Final answer
x = 10,940,559.30
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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.