Finding the Fourth Proportional to 14,125,928.68, 19,495,911.57 and 8,622,493.84
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Solution
The fourth proportional to 14,125,928.68, 19,495,911.57 and 8,622,493.84 is: 11,900,341.65
Step by Step Solution
- Step 1: Write the proportion equation
14,125,928.68 : 19,495,911.57 = 8,622,493.84 : x - Step 2: Convert to fraction form
14,125,928.68/19,495,911.57 = 8,622,493.84/x - Step 3: Cross multiply
14,125,928.68x = 19,495,911.57 × 8,622,493.84 - Step 4: Simplify right side
14,125,928.68x = 168,103,377,409,545.28 - Step 5: Solve for x
x = 168,103,377,409,545.28/14,125,928.68 - Step 6: Final answer
x = 11,900,341.65
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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.