Finding the Fourth Proportional to 10,251,931.52, 14,147,217.48 and 5,605,628.96
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Solution
The fourth proportional to 10,251,931.52, 14,147,217.48 and 5,605,628.96 is: 7,735,522.99
Step by Step Solution
- Step 1: Write the proportion equation
10,251,931.52 : 14,147,217.48 = 5,605,628.96 : x - Step 2: Convert to fraction form
10,251,931.52/14,147,217.48 = 5,605,628.96/x - Step 3: Cross multiply
10,251,931.52x = 14,147,217.48 × 5,605,628.96 - Step 4: Simplify right side
10,251,931.52x = 79,304,052,009,306.22 - Step 5: Solve for x
x = 79,304,052,009,306.22/10,251,931.52 - Step 6: Final answer
x = 7,735,522.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.