Finding the Fourth Proportional to 19,913,010.30, 29,838,022.65 and 14,811,176.70
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Solution
The fourth proportional to 19,913,010.30, 29,838,022.65 and 14,811,176.70 is: 22,193,340.90
Step by Step Solution
- Step 1: Write the proportion equation
19,913,010.30 : 29,838,022.65 = 14,811,176.70 : x - Step 2: Convert to fraction form
19,913,010.30/29,838,022.65 = 14,811,176.70/x - Step 3: Cross multiply
19,913,010.30x = 29,838,022.65 × 14,811,176.70 - Step 4: Simplify right side
19,913,010.30x = 441,936,225,847,752.19 - Step 5: Solve for x
x = 441,936,225,847,752.19/19,913,010.30 - Step 6: Final answer
x = 22,193,340.90
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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.