Finding the Fourth Proportional to 15,542,458.80, 23,313,688.20 and 14,596,897.20
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Solution
The fourth proportional to 15,542,458.80, 23,313,688.20 and 14,596,897.20 is: 21,895,345.80
Step by Step Solution
- Step 1: Write the proportion equation
15,542,458.80 : 23,313,688.20 = 14,596,897.20 : x - Step 2: Convert to fraction form
15,542,458.80/23,313,688.20 = 14,596,897.20/x - Step 3: Cross multiply
15,542,458.80x = 23,313,688.20 × 14,596,897.20 - Step 4: Simplify right side
15,542,458.80x = 340,307,510,008,253 - Step 5: Solve for x
x = 340,307,510,008,253/15,542,458.80 - Step 6: Final answer
x = 21,895,345.80
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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.