Finding the Fourth Proportional to 28,162,452.51, 42,248,447.81 and 9,713,387.99
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Solution
The fourth proportional to 28,162,452.51, 42,248,447.81 and 9,713,387.99 is: 14,571,726.85
Step by Step Solution
- Step 1: Write the proportion equation
28,162,452.51 : 42,248,447.81 = 9,713,387.99 : x - Step 2: Convert to fraction form
28,162,452.51/42,248,447.81 = 9,713,387.99/x - Step 3: Cross multiply
28,162,452.51x = 42,248,447.81 × 9,713,387.99 - Step 4: Simplify right side
28,162,452.51x = 410,375,565,293,986.62 - Step 5: Solve for x
x = 410,375,565,293,986.62/28,162,452.51 - Step 6: Final answer
x = 14,571,726.85
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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.