Finding the Fourth Proportional to 11,555,239.80, 15,946,034.86 and 6,398,490.63
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Solution
The fourth proportional to 11,555,239.80, 15,946,034.86 and 6,398,490.63 is: 8,829,808.50
Step by Step Solution
- Step 1: Write the proportion equation
11,555,239.80 : 15,946,034.86 = 6,398,490.63 : x - Step 2: Convert to fraction form
11,555,239.80/15,946,034.86 = 6,398,490.63/x - Step 3: Cross multiply
11,555,239.80x = 15,946,034.86 × 6,398,490.63 - Step 4: Simplify right side
11,555,239.80x = 102,030,554,637,363.36 - Step 5: Solve for x
x = 102,030,554,637,363.36/11,555,239.80 - Step 6: Final answer
x = 8,829,808.50
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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.