Finding the Fourth Proportional to 8,230,449.04, 11,332,106.68 and 6,987,601.12
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Solution
The fourth proportional to 8,230,449.04, 11,332,106.68 and 6,987,601.12 is: 9,620,889.57
Step by Step Solution
- Step 1: Write the proportion equation
8,230,449.04 : 11,332,106.68 = 6,987,601.12 : x - Step 2: Convert to fraction form
8,230,449.04/11,332,106.68 = 6,987,601.12/x - Step 3: Cross multiply
8,230,449.04x = 11,332,106.68 × 6,987,601.12 - Step 4: Simplify right side
8,230,449.04x = 79,184,241,329,127.48 - Step 5: Solve for x
x = 79,184,241,329,127.48/8,230,449.04 - Step 6: Final answer
x = 9,620,889.57
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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.