Finding the Fourth Proportional to 13,736,220.48, 18,955,035.45 and 7,624,167.84
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Solution
The fourth proportional to 13,736,220.48, 18,955,035.45 and 7,624,167.84 is: 10,520,824.99
Step by Step Solution
- Step 1: Write the proportion equation
13,736,220.48 : 18,955,035.45 = 7,624,167.84 : x - Step 2: Convert to fraction form
13,736,220.48/18,955,035.45 = 7,624,167.84/x - Step 3: Cross multiply
13,736,220.48x = 18,955,035.45 × 7,624,167.84 - Step 4: Simplify right side
13,736,220.48x = 144,516,371,683,949.91 - Step 5: Solve for x
x = 144,516,371,683,949.91/13,736,220.48 - Step 6: Final answer
x = 10,520,824.99
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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.