Finding the Fourth Proportional to 15,578,351.60, 23,346,639.90 and 12,124,262.15
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Solution
The fourth proportional to 15,578,351.60, 23,346,639.90 and 12,124,262.15 is: 18,170,136.99
Step by Step Solution
- Step 1: Write the proportion equation
15,578,351.60 : 23,346,639.90 = 12,124,262.15 : x - Step 2: Convert to fraction form
15,578,351.60/23,346,639.90 = 12,124,262.15/x - Step 3: Cross multiply
15,578,351.60x = 23,346,639.90 × 12,124,262.15 - Step 4: Simplify right side
15,578,351.60x = 283,060,782,527,616.38 - Step 5: Solve for x
x = 283,060,782,527,616.38/15,578,351.60 - Step 6: Final answer
x = 18,170,136.99
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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.