Finding the Fourth Proportional to 10,132,989.13, 15,207,471.87 and 3,745,068.31
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Solution
The fourth proportional to 10,132,989.13, 15,207,471.87 and 3,745,068.31 is: 5,620,554.83
Step by Step Solution
- Step 1: Write the proportion equation
10,132,989.13 : 15,207,471.87 = 3,745,068.31 : x - Step 2: Convert to fraction form
10,132,989.13/15,207,471.87 = 3,745,068.31/x - Step 3: Cross multiply
10,132,989.13x = 15,207,471.87 × 3,745,068.31 - Step 4: Simplify right side
10,132,989.13x = 56,953,020,980,518.77 - Step 5: Solve for x
x = 56,953,020,980,518.77/10,132,989.13 - Step 6: Final answer
x = 5,620,554.83
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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.