Finding the Fourth Proportional to 38,267,282.64, 52,808,834.88 and 20,863,642.08
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Solution
The fourth proportional to 38,267,282.64, 52,808,834.88 and 20,863,642.08 is: 28,791,817.80
Step by Step Solution
- Step 1: Write the proportion equation
38,267,282.64 : 52,808,834.88 = 20,863,642.08 : x - Step 2: Convert to fraction form
38,267,282.64/52,808,834.88 = 20,863,642.08/x - Step 3: Cross multiply
38,267,282.64x = 52,808,834.88 × 20,863,642.08 - Step 4: Simplify right side
38,267,282.64x = 1,101,784,629,598,139.75 - Step 5: Solve for x
x = 1,101,784,629,598,139.75/38,267,282.64 - Step 6: Final answer
x = 28,791,817.80
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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.