Finding the Fourth Proportional to 12,805,335.56, 19,206,588.58 and 3,220,717.95
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Solution
The fourth proportional to 12,805,335.56, 19,206,588.58 and 3,220,717.95 is: 4,830,721.09
Step by Step Solution
- Step 1: Write the proportion equation
12,805,335.56 : 19,206,588.58 = 3,220,717.95 : x - Step 2: Convert to fraction form
12,805,335.56/19,206,588.58 = 3,220,717.95/x - Step 3: Cross multiply
12,805,335.56x = 19,206,588.58 × 3,220,717.95 - Step 4: Simplify right side
12,805,335.56x = 61,859,004,589,819.22 - Step 5: Solve for x
x = 61,859,004,589,819.22/12,805,335.56 - Step 6: Final answer
x = 4,830,721.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.