Finding the Fourth Proportional to 13,733,466.23, 18,952,204.16 and 7,453,995.81
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Solution
The fourth proportional to 13,733,466.23, 18,952,204.16 and 7,453,995.81 is: 10,286,525.49
Step by Step Solution
- Step 1: Write the proportion equation
13,733,466.23 : 18,952,204.16 = 7,453,995.81 : x - Step 2: Convert to fraction form
13,733,466.23/18,952,204.16 = 7,453,995.81/x - Step 3: Cross multiply
13,733,466.23x = 18,952,204.16 × 7,453,995.81 - Step 4: Simplify right side
13,733,466.23x = 141,269,650,426,428.16 - Step 5: Solve for x
x = 141,269,650,426,428.16/13,733,466.23 - Step 6: Final answer
x = 10,286,525.49
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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.