Finding the Fourth Proportional to 7,759,929.99, 10,708,706.75 and 4,498,635.45
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Solution
The fourth proportional to 7,759,929.99, 10,708,706.75 and 4,498,635.45 is: 6,208,118.87
Step by Step Solution
- Step 1: Write the proportion equation
7,759,929.99 : 10,708,706.75 = 4,498,635.45 : x - Step 2: Convert to fraction form
7,759,929.99/10,708,706.75 = 4,498,635.45/x - Step 3: Cross multiply
7,759,929.99x = 10,708,706.75 × 4,498,635.45 - Step 4: Simplify right side
7,759,929.99x = 48,174,567,786,711.11 - Step 5: Solve for x
x = 48,174,567,786,711.11/7,759,929.99 - Step 6: Final answer
x = 6,208,118.87
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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.