Finding the Fourth Proportional to 14,021,297.16, 21,038,455.74 and 5,382,523.26
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Solution
The fourth proportional to 14,021,297.16, 21,038,455.74 and 5,382,523.26 is: 8,076,283.96
Step by Step Solution
- Step 1: Write the proportion equation
14,021,297.16 : 21,038,455.74 = 5,382,523.26 : x - Step 2: Convert to fraction form
14,021,297.16/21,038,455.74 = 5,382,523.26/x - Step 3: Cross multiply
14,021,297.16x = 21,038,455.74 × 5,382,523.26 - Step 4: Simplify right side
14,021,297.16x = 113,239,977,375,030.50 - Step 5: Solve for x
x = 113,239,977,375,030.50/14,021,297.16 - Step 6: Final answer
x = 8,076,283.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.