Finding the Fourth Proportional to 14,947,197.20, 22,420,795.80 and 7,388,925.20
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Solution
The fourth proportional to 14,947,197.20, 22,420,795.80 and 7,388,925.20 is: 11,083,387.80
Step by Step Solution
- Step 1: Write the proportion equation
14,947,197.20 : 22,420,795.80 = 7,388,925.20 : x - Step 2: Convert to fraction form
14,947,197.20/22,420,795.80 = 7,388,925.20/x - Step 3: Cross multiply
14,947,197.20x = 22,420,795.80 × 7,388,925.20 - Step 4: Simplify right side
14,947,197.20x = 165,665,583,090,674.16 - Step 5: Solve for x
x = 165,665,583,090,674.16/14,947,197.20 - Step 6: Final answer
x = 11,083,387.80
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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.