Finding the Fourth Proportional to 8,119,435.75, 12,175,513.47 and 4,838,337.67
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Solution
The fourth proportional to 8,119,435.75, 12,175,513.47 and 4,838,337.67 is: 7,255,337.35
Step by Step Solution
- Step 1: Write the proportion equation
8,119,435.75 : 12,175,513.47 = 4,838,337.67 : x - Step 2: Convert to fraction form
8,119,435.75/12,175,513.47 = 4,838,337.67/x - Step 3: Cross multiply
8,119,435.75x = 12,175,513.47 × 4,838,337.67 - Step 4: Simplify right side
8,119,435.75x = 58,909,245,473,493.41 - Step 5: Solve for x
x = 58,909,245,473,493.41/8,119,435.75 - Step 6: Final answer
x = 7,255,337.35
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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.