Finding the Fourth Proportional to 15,341,329.26, 21,174,657.66 and 8,818,742.70
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Solution
The fourth proportional to 15,341,329.26, 21,174,657.66 and 8,818,742.70 is: 12,171,947.72
Step by Step Solution
- Step 1: Write the proportion equation
15,341,329.26 : 21,174,657.66 = 8,818,742.70 : x - Step 2: Convert to fraction form
15,341,329.26/21,174,657.66 = 8,818,742.70/x - Step 3: Cross multiply
15,341,329.26x = 21,174,657.66 × 8,818,742.70 - Step 4: Simplify right side
15,341,329.26x = 186,733,857,664,124.06 - Step 5: Solve for x
x = 186,733,857,664,124.06/15,341,329.26 - Step 6: Final answer
x = 12,171,947.72
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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.