Finding the Fourth Proportional to 10,516,542.84, 15,774,814.30 and 2,538,366.84
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Solution
The fourth proportional to 10,516,542.84, 15,774,814.30 and 2,538,366.84 is: 3,807,550.27
Step by Step Solution
- Step 1: Write the proportion equation
10,516,542.84 : 15,774,814.30 = 2,538,366.84 : x - Step 2: Convert to fraction form
10,516,542.84/15,774,814.30 = 2,538,366.84/x - Step 3: Cross multiply
10,516,542.84x = 15,774,814.30 × 2,538,366.84 - Step 4: Simplify right side
10,516,542.84x = 40,042,265,526,277.81 - Step 5: Solve for x
x = 40,042,265,526,277.81/10,516,542.84 - Step 6: Final answer
x = 3,807,550.27
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1.5x scale
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.