Finding the Fourth Proportional to 16,021,455.36, 22,102,197.12 and 14,187,782.40
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Solution
The fourth proportional to 16,021,455.36, 22,102,197.12 and 14,187,782.40 is: 19,572,576.66
Step by Step Solution
- Step 1: Write the proportion equation
16,021,455.36 : 22,102,197.12 = 14,187,782.40 : x - Step 2: Convert to fraction form
16,021,455.36/22,102,197.12 = 14,187,782.40/x - Step 3: Cross multiply
16,021,455.36x = 22,102,197.12 × 14,187,782.40 - Step 4: Simplify right side
16,021,455.36x = 313,581,163,300,466.69 - Step 5: Solve for x
x = 313,581,163,300,466.69/16,021,455.36 - Step 6: Final answer
x = 19,572,576.66
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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.