Finding the Fourth Proportional to 10,959,858.40, 15,368,996 and 10,959,858.40
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Solution
The fourth proportional to 10,959,858.40, 15,368,996 and 10,959,858.40 is: 15,368,996
Step by Step Solution
- Step 1: Write the proportion equation
10,959,858.40 : 15,368,996 = 10,959,858.40 : x - Step 2: Convert to fraction form
10,959,858.40/15,368,996 = 10,959,858.40/x - Step 3: Cross multiply
10,959,858.40x = 15,368,996 × 10,959,858.40 - Step 4: Simplify right side
10,959,858.40x = 168,442,019,910,166.41 - Step 5: Solve for x
x = 168,442,019,910,166.41/10,959,858.40 - Step 6: Final answer
x = 15,368,996
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.