Finding the Fourth Proportional to 14,569,189.17, 20,105,643.99 and 8,042,822.07
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Solution
The fourth proportional to 14,569,189.17, 20,105,643.99 and 8,042,822.07 is: 11,099,184.40
Step by Step Solution
- Step 1: Write the proportion equation
14,569,189.17 : 20,105,643.99 = 8,042,822.07 : x - Step 2: Convert to fraction form
14,569,189.17/20,105,643.99 = 8,042,822.07/x - Step 3: Cross multiply
14,569,189.17x = 20,105,643.99 × 8,042,822.07 - Step 4: Simplify right side
14,569,189.17x = 161,706,117,214,334.84 - Step 5: Solve for x
x = 161,706,117,214,334.84/14,569,189.17 - Step 6: Final answer
x = 11,099,184.40
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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.