Finding the Fourth Proportional to 8,721,427.60, 13,081,144.80 and 2,332,178.08
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Solution
The fourth proportional to 8,721,427.60, 13,081,144.80 and 2,332,178.08 is: 3,498,000.62
Step by Step Solution
- Step 1: Write the proportion equation
8,721,427.60 : 13,081,144.80 = 2,332,178.08 : x - Step 2: Convert to fraction form
8,721,427.60/13,081,144.80 = 2,332,178.08/x - Step 3: Cross multiply
8,721,427.60x = 13,081,144.80 × 2,332,178.08 - Step 4: Simplify right side
8,721,427.60x = 30,507,559,163,865.99 - Step 5: Solve for x
x = 30,507,559,163,865.99/8,721,427.60 - Step 6: Final answer
x = 3,498,000.62
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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.