Finding the Fourth Proportional to 17,639,635.12, 24,343,387.35 and 12,069,565.58
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Solution
The fourth proportional to 17,639,635.12, 24,343,387.35 and 12,069,565.58 is: 16,656,473.22
Step by Step Solution
- Step 1: Write the proportion equation
17,639,635.12 : 24,343,387.35 = 12,069,565.58 : x - Step 2: Convert to fraction form
17,639,635.12/24,343,387.35 = 12,069,565.58/x - Step 3: Cross multiply
17,639,635.12x = 24,343,387.35 × 12,069,565.58 - Step 4: Simplify right side
17,639,635.12x = 293,814,110,075,765 - Step 5: Solve for x
x = 293,814,110,075,765/17,639,635.12 - Step 6: Final answer
x = 16,656,473.22
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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.