Finding the Fourth Proportional to 28,355,167.20, 42,532,750.80 and 26,862,175.20
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Solution
The fourth proportional to 28,355,167.20, 42,532,750.80 and 26,862,175.20 is: 40,293,262.80
Step by Step Solution
- Step 1: Write the proportion equation
28,355,167.20 : 42,532,750.80 = 26,862,175.20 : x - Step 2: Convert to fraction form
28,355,167.20/42,532,750.80 = 26,862,175.20/x - Step 3: Cross multiply
28,355,167.20x = 42,532,750.80 × 26,862,175.20 - Step 4: Simplify right side
28,355,167.20x = 1,142,522,203,727,540 - Step 5: Solve for x
x = 1,142,522,203,727,540/28,355,167.20 - Step 6: Final answer
x = 40,293,262.80
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.