Finding the Fourth Proportional to 11,301,560.99, 16,951,962.40 and 4,911,812.81
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Solution
The fourth proportional to 11,301,560.99, 16,951,962.40 and 4,911,812.81 is: 7,367,554.45
Step by Step Solution
- Step 1: Write the proportion equation
11,301,560.99 : 16,951,962.40 = 4,911,812.81 : x - Step 2: Convert to fraction form
11,301,560.99/16,951,962.40 = 4,911,812.81/x - Step 3: Cross multiply
11,301,560.99x = 16,951,962.40 × 4,911,812.81 - Step 4: Simplify right side
11,301,560.99x = 83,264,865,973,919 - Step 5: Solve for x
x = 83,264,865,973,919/11,301,560.99 - Step 6: Final answer
x = 7,367,554.45
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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.