Finding the Fourth Proportional to 10,312,135.56, 15,468,990.60 and 3,124,264.80
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Solution
The fourth proportional to 10,312,135.56, 15,468,990.60 and 3,124,264.80 is: 4,686,635.72
Step by Step Solution
- Step 1: Write the proportion equation
10,312,135.56 : 15,468,990.60 = 3,124,264.80 : x - Step 2: Convert to fraction form
10,312,135.56/15,468,990.60 = 3,124,264.80/x - Step 3: Cross multiply
10,312,135.56x = 15,468,990.60 × 3,124,264.80 - Step 4: Simplify right side
10,312,135.56x = 48,329,222,823,110.88 - Step 5: Solve for x
x = 48,329,222,823,110.88/10,312,135.56 - Step 6: Final answer
x = 4,686,635.72
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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.