Finding the Fourth Proportional to 34,371,881.99, 51,582,448.80 and 12,512,215.56
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Solution
The fourth proportional to 34,371,881.99, 51,582,448.80 and 12,512,215.56 is: 18,777,287.75
Step by Step Solution
- Step 1: Write the proportion equation
34,371,881.99 : 51,582,448.80 = 12,512,215.56 : x - Step 2: Convert to fraction form
34,371,881.99/51,582,448.80 = 12,512,215.56/x - Step 3: Cross multiply
34,371,881.99x = 51,582,448.80 × 12,512,215.56 - Step 4: Simplify right side
34,371,881.99x = 645,410,718,498,263.38 - Step 5: Solve for x
x = 645,410,718,498,263.38/34,371,881.99 - Step 6: Final answer
x = 18,777,287.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.