Finding the Fourth Proportional to 19,358,165.92, 29,035,037.04 and 5,175,847.84
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Solution
The fourth proportional to 19,358,165.92, 29,035,037.04 and 5,175,847.84 is: 7,763,180.37
Step by Step Solution
- Step 1: Write the proportion equation
19,358,165.92 : 29,035,037.04 = 5,175,847.84 : x - Step 2: Convert to fraction form
19,358,165.92/29,035,037.04 = 5,175,847.84/x - Step 3: Cross multiply
19,358,165.92x = 29,035,037.04 × 5,175,847.84 - Step 4: Simplify right side
19,358,165.92x = 150,280,933,747,804 - Step 5: Solve for x
x = 150,280,933,747,804/19,358,165.92 - Step 6: Final answer
x = 7,763,180.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.