Finding the Fourth Proportional to 7,408,688.27, 11,116,212.43 and 2,862,930.17
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Solution
The fourth proportional to 7,408,688.27, 11,116,212.43 and 2,862,930.17 is: 4,295,624.11
Step by Step Solution
- Step 1: Write the proportion equation
7,408,688.27 : 11,116,212.43 = 2,862,930.17 : x - Step 2: Convert to fraction form
7,408,688.27/11,116,212.43 = 2,862,930.17/x - Step 3: Cross multiply
7,408,688.27x = 11,116,212.43 × 2,862,930.17 - Step 4: Simplify right side
7,408,688.27x = 31,824,939,941,976.01 - Step 5: Solve for x
x = 31,824,939,941,976.01/7,408,688.27 - Step 6: Final answer
x = 4,295,624.11
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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.