Finding the Fourth Proportional to 13,211,036.60, 19,816,554.90 and 4,236,495.80
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Solution
The fourth proportional to 13,211,036.60, 19,816,554.90 and 4,236,495.80 is: 6,354,743.70
Step by Step Solution
- Step 1: Write the proportion equation
13,211,036.60 : 19,816,554.90 = 4,236,495.80 : x - Step 2: Convert to fraction form
13,211,036.60/19,816,554.90 = 4,236,495.80/x - Step 3: Cross multiply
13,211,036.60x = 19,816,554.90 × 4,236,495.80 - Step 4: Simplify right side
13,211,036.60x = 83,952,751,604,319.41 - Step 5: Solve for x
x = 83,952,751,604,319.41/13,211,036.60 - Step 6: Final answer
x = 6,354,743.70
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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.