Finding the Fourth Proportional to 58,708,629.20, 87,988,294.20 and 28,351,125.20
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Solution
The fourth proportional to 58,708,629.20, 87,988,294.20 and 28,351,125.20 is: 42,490,638.58
Step by Step Solution
- Step 1: Write the proportion equation
58,708,629.20 : 87,988,294.20 = 28,351,125.20 : x - Step 2: Convert to fraction form
58,708,629.20/87,988,294.20 = 28,351,125.20/x - Step 3: Cross multiply
58,708,629.20x = 87,988,294.20 × 28,351,125.20 - Step 4: Simplify right side
58,708,629.20x = 2,494,567,144,998,634 - Step 5: Solve for x
x = 2,494,567,144,998,634/58,708,629.20 - Step 6: Final answer
x = 42,490,638.58
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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.