Finding the Fourth Proportional to 9,829,921.83, 14,744,869.98 and 2,641,455.91
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Solution
The fourth proportional to 9,829,921.83, 14,744,869.98 and 2,641,455.91 is: 3,962,180.43
Step by Step Solution
- Step 1: Write the proportion equation
9,829,921.83 : 14,744,869.98 = 2,641,455.91 : x - Step 2: Convert to fraction form
9,829,921.83/14,744,869.98 = 2,641,455.91/x - Step 3: Cross multiply
9,829,921.83x = 14,744,869.98 × 2,641,455.91 - Step 4: Simplify right side
9,829,921.83x = 38,947,923,877,128.23 - Step 5: Solve for x
x = 38,947,923,877,128.23/9,829,921.83 - Step 6: Final answer
x = 3,962,180.43
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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.