Finding the Fourth Proportional to 14,538,864.35, 20,064,579.56 and 8,345,915.95
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Solution
The fourth proportional to 14,538,864.35, 20,064,579.56 and 8,345,915.95 is: 11,517,907.49
Step by Step Solution
- Step 1: Write the proportion equation
14,538,864.35 : 20,064,579.56 = 8,345,915.95 : x - Step 2: Convert to fraction form
14,538,864.35/20,064,579.56 = 8,345,915.95/x - Step 3: Cross multiply
14,538,864.35x = 20,064,579.56 × 8,345,915.95 - Step 4: Simplify right side
14,538,864.35x = 167,457,294,556,875.22 - Step 5: Solve for x
x = 167,457,294,556,875.22/14,538,864.35 - Step 6: Final answer
x = 11,517,907.49
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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.