Finding the Fourth Proportional to 14,457,007.98, 19,950,484.68 and 8,261,983.60
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Solution
The fourth proportional to 14,457,007.98, 19,950,484.68 and 8,261,983.60 is: 11,401,430.88
Step by Step Solution
- Step 1: Write the proportion equation
14,457,007.98 : 19,950,484.68 = 8,261,983.60 : x - Step 2: Convert to fraction form
14,457,007.98/19,950,484.68 = 8,261,983.60/x - Step 3: Cross multiply
14,457,007.98x = 19,950,484.68 × 8,261,983.60 - Step 4: Simplify right side
14,457,007.98x = 164,830,577,188,335.03 - Step 5: Solve for x
x = 164,830,577,188,335.03/14,457,007.98 - Step 6: Final answer
x = 11,401,430.88
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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.