Finding the Fourth Proportional to 11,575,353.84, 15,974,806.68 and 6,419,209.20
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Solution
The fourth proportional to 11,575,353.84, 15,974,806.68 and 6,419,209.20 is: 8,858,962.54
Step by Step Solution
- Step 1: Write the proportion equation
11,575,353.84 : 15,974,806.68 = 6,419,209.20 : x - Step 2: Convert to fraction form
11,575,353.84/15,974,806.68 = 6,419,209.20/x - Step 3: Cross multiply
11,575,353.84x = 15,974,806.68 × 6,419,209.20 - Step 4: Simplify right side
11,575,353.84x = 102,545,626,008,477.45 - Step 5: Solve for x
x = 102,545,626,008,477.45/11,575,353.84 - Step 6: Final answer
x = 8,858,962.54
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1.5x scale
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.