Finding the Fourth Proportional to 14,350,230.49, 19,803,312.39 and 7,823,865.28
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Solution
The fourth proportional to 14,350,230.49, 19,803,312.39 and 7,823,865.28 is: 10,796,930.99
Step by Step Solution
- Step 1: Write the proportion equation
14,350,230.49 : 19,803,312.39 = 7,823,865.28 : x - Step 2: Convert to fraction form
14,350,230.49/19,803,312.39 = 7,823,865.28/x - Step 3: Cross multiply
14,350,230.49x = 19,803,312.39 × 7,823,865.28 - Step 4: Simplify right side
14,350,230.49x = 154,938,448,237,114.84 - Step 5: Solve for x
x = 154,938,448,237,114.84/14,350,230.49 - Step 6: Final answer
x = 10,796,930.99
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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.