Finding the Fourth Proportional to 7,122,166.92, 9,828,576.50 and 3,859,070.00
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Solution
The fourth proportional to 7,122,166.92, 9,828,576.50 and 3,859,070.00 is: 5,325,509.09
Step by Step Solution
- Step 1: Write the proportion equation
7,122,166.92 : 9,828,576.50 = 3,859,070.00 : x - Step 2: Convert to fraction form
7,122,166.92/9,828,576.50 = 3,859,070.00/x - Step 3: Cross multiply
7,122,166.92x = 9,828,576.50 × 3,859,070.00 - Step 4: Simplify right side
7,122,166.92x = 37,929,164,645,416.77 - Step 5: Solve for x
x = 37,929,164,645,416.77/7,122,166.92 - Step 6: Final answer
x = 5,325,509.09
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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.