Finding the Fourth Proportional to 19,733,259.18, 27,232,099.65 and 11,031,915.18
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Solution
The fourth proportional to 19,733,259.18, 27,232,099.65 and 11,031,915.18 is: 15,224,155.87
Step by Step Solution
- Step 1: Write the proportion equation
19,733,259.18 : 27,232,099.65 = 11,031,915.18 : x - Step 2: Convert to fraction form
19,733,259.18/27,232,099.65 = 11,031,915.18/x - Step 3: Cross multiply
19,733,259.18x = 27,232,099.65 × 11,031,915.18 - Step 4: Simplify right side
19,733,259.18x = 300,422,213,512,107.69 - Step 5: Solve for x
x = 300,422,213,512,107.69/19,733,259.18 - Step 6: Final answer
x = 15,224,155.87
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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.