Finding the Fourth Proportional to 11,615,636.70, 16,028,920.26 and 6,458,887.53
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Solution
The fourth proportional to 11,615,636.70, 16,028,920.26 and 6,458,887.53 is: 8,912,898.70
Step by Step Solution
- Step 1: Write the proportion equation
11,615,636.70 : 16,028,920.26 = 6,458,887.53 : x - Step 2: Convert to fraction form
11,615,636.70/16,028,920.26 = 6,458,887.53/x - Step 3: Cross multiply
11,615,636.70x = 16,028,920.26 × 6,458,887.53 - Step 4: Simplify right side
11,615,636.70x = 103,528,993,186,678.36 - Step 5: Solve for x
x = 103,528,993,186,678.36/11,615,636.70 - Step 6: Final answer
x = 8,912,898.70
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1.5x scale
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.