Finding the Fourth Proportional to 13,347,231.84, 18,420,124.14 and 7,546,068.54
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Solution
The fourth proportional to 13,347,231.84, 18,420,124.14 and 7,546,068.54 is: 10,414,108.40
Step by Step Solution
- Step 1: Write the proportion equation
13,347,231.84 : 18,420,124.14 = 7,546,068.54 : x - Step 2: Convert to fraction form
13,347,231.84/18,420,124.14 = 7,546,068.54/x - Step 3: Cross multiply
13,347,231.84x = 18,420,124.14 × 7,546,068.54 - Step 4: Simplify right side
13,347,231.84x = 138,999,519,275,748.56 - Step 5: Solve for x
x = 138,999,519,275,748.56/13,347,231.84 - Step 6: Final answer
x = 10,414,108.40
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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.