Finding the Fourth Proportional to 7,684,289.28, 10,603,416.96 and 4,246,325.44
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Solution
The fourth proportional to 7,684,289.28, 10,603,416.96 and 4,246,325.44 is: 5,859,430.53
Step by Step Solution
- Step 1: Write the proportion equation
7,684,289.28 : 10,603,416.96 = 4,246,325.44 : x - Step 2: Convert to fraction form
7,684,289.28/10,603,416.96 = 4,246,325.44/x - Step 3: Cross multiply
7,684,289.28x = 10,603,416.96 × 4,246,325.44 - Step 4: Simplify right side
7,684,289.28x = 45,025,559,188,175.47 - Step 5: Solve for x
x = 45,025,559,188,175.47/7,684,289.28 - Step 6: Final answer
x = 5,859,430.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.