Finding the Fourth Proportional to 22,953,388.61, 31,675,363.33 and 13,030,184.99
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Solution
The fourth proportional to 22,953,388.61, 31,675,363.33 and 13,030,184.99 is: 17,981,477.63
Step by Step Solution
- Step 1: Write the proportion equation
22,953,388.61 : 31,675,363.33 = 13,030,184.99 : x - Step 2: Convert to fraction form
22,953,388.61/31,675,363.33 = 13,030,184.99/x - Step 3: Cross multiply
22,953,388.61x = 31,675,363.33 × 13,030,184.99 - Step 4: Simplify right side
22,953,388.61x = 412,735,843,815,362.38 - Step 5: Solve for x
x = 412,735,843,815,362.38/22,953,388.61 - Step 6: Final answer
x = 17,981,477.63
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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.