Finding the Fourth Proportional to 13,337,455.56, 18,405,448.99 and 7,536,112.44
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Solution
The fourth proportional to 13,337,455.56, 18,405,448.99 and 7,536,112.44 is: 10,399,699.74
Step by Step Solution
- Step 1: Write the proportion equation
13,337,455.56 : 18,405,448.99 = 7,536,112.44 : x - Step 2: Convert to fraction form
13,337,455.56/18,405,448.99 = 7,536,112.44/x - Step 3: Cross multiply
13,337,455.56x = 18,405,448.99 × 7,536,112.44 - Step 4: Simplify right side
13,337,455.56x = 138,705,533,097,324.44 - Step 5: Solve for x
x = 138,705,533,097,324.44/13,337,455.56 - Step 6: Final answer
x = 10,399,699.74
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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.