Finding the Fourth Proportional to 7,541,403.15, 11,249,379.68 and 6,814,969.23
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Solution
The fourth proportional to 7,541,403.15, 11,249,379.68 and 6,814,969.23 is: 10,165,770.86
Step by Step Solution
- Step 1: Write the proportion equation
7,541,403.15 : 11,249,379.68 = 6,814,969.23 : x - Step 2: Convert to fraction form
7,541,403.15/11,249,379.68 = 6,814,969.23/x - Step 3: Cross multiply
7,541,403.15x = 11,249,379.68 × 6,814,969.23 - Step 4: Simplify right side
7,541,403.15x = 76,664,176,392,824.67 - Step 5: Solve for x
x = 76,664,176,392,824.67/7,541,403.15 - Step 6: Final answer
x = 10,165,770.86
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.