Finding the Fourth Proportional to 18,366,303.80, 27,517,962.90 and 11,973,265.40
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Solution
The fourth proportional to 18,366,303.80, 27,517,962.90 and 11,973,265.40 is: 17,939,367.48
Step by Step Solution
- Step 1: Write the proportion equation
18,366,303.80 : 27,517,962.90 = 11,973,265.40 : x - Step 2: Convert to fraction form
18,366,303.80/27,517,962.90 = 11,973,265.40/x - Step 3: Cross multiply
18,366,303.80x = 27,517,962.90 × 11,973,265.40 - Step 4: Simplify right side
18,366,303.80x = 329,479,873,069,053.62 - Step 5: Solve for x
x = 329,479,873,069,053.62/18,366,303.80 - Step 6: Final answer
x = 17,939,367.48
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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.