Finding the Fourth Proportional to 28,560,759.35, 42,842,516.83 and 9,391,091.99
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Solution
The fourth proportional to 28,560,759.35, 42,842,516.83 and 9,391,091.99 is: 14,087,091.02
Step by Step Solution
- Step 1: Write the proportion equation
28,560,759.35 : 42,842,516.83 = 9,391,091.99 : x - Step 2: Convert to fraction form
28,560,759.35/42,842,516.83 = 9,391,091.99/x - Step 3: Cross multiply
28,560,759.35x = 42,842,516.83 × 9,391,091.99 - Step 4: Simplify right side
28,560,759.35x = 402,338,016,395,962.88 - Step 5: Solve for x
x = 402,338,016,395,962.88/28,560,759.35 - Step 6: Final answer
x = 14,087,091.02
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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.