Finding the Fourth Proportional to 10,863,740.70, 16,276,948.65 and 5,171,708.70
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Solution
The fourth proportional to 10,863,740.70, 16,276,948.65 and 5,171,708.70 is: 7,748,678.77
Step by Step Solution
- Step 1: Write the proportion equation
10,863,740.70 : 16,276,948.65 = 5,171,708.70 : x - Step 2: Convert to fraction form
10,863,740.70/16,276,948.65 = 5,171,708.70/x - Step 3: Cross multiply
10,863,740.70x = 16,276,948.65 × 5,171,708.70 - Step 4: Simplify right side
10,863,740.70x = 84,179,636,942,658.27 - Step 5: Solve for x
x = 84,179,636,942,658.27/10,863,740.70 - Step 6: Final answer
x = 7,748,678.77
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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.