Finding the Fourth Proportional to 10,864,134.30, 16,296,201.45 and 7,084,998.30
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Solution
The fourth proportional to 10,864,134.30, 16,296,201.45 and 7,084,998.30 is: 10,627,497.45
Step by Step Solution
- Step 1: Write the proportion equation
10,864,134.30 : 16,296,201.45 = 7,084,998.30 : x - Step 2: Convert to fraction form
10,864,134.30/16,296,201.45 = 7,084,998.30/x - Step 3: Cross multiply
10,864,134.30x = 16,296,201.45 × 7,084,998.30 - Step 4: Simplify right side
10,864,134.30x = 115,458,559,569,707.53 - Step 5: Solve for x
x = 115,458,559,569,707.53/10,864,134.30 - Step 6: Final answer
x = 10,627,497.45
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Double scale
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Similar ratio
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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.