Finding the Fourth Proportional to 19,822,647.60, 29,734,777.70 and 9,442,530.52
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Solution
The fourth proportional to 19,822,647.60, 29,734,777.70 and 9,442,530.52 is: 14,164,179.86
Step by Step Solution
- Step 1: Write the proportion equation
19,822,647.60 : 29,734,777.70 = 9,442,530.52 : x - Step 2: Convert to fraction form
19,822,647.60/29,734,777.70 = 9,442,530.52/x - Step 3: Cross multiply
19,822,647.60x = 29,734,777.70 × 9,442,530.52 - Step 4: Simplify right side
19,822,647.60x = 280,771,545,937,665.38 - Step 5: Solve for x
x = 280,771,545,937,665.38/19,822,647.60 - Step 6: Final answer
x = 14,164,179.86
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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.