Finding the Fourth Proportional to 15,363,492.44, 21,201,368.75 and 8,394,020.00
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Solution
The fourth proportional to 15,363,492.44, 21,201,368.75 and 8,394,020.00 is: 11,583,610.56
Step by Step Solution
- Step 1: Write the proportion equation
15,363,492.44 : 21,201,368.75 = 8,394,020.00 : x - Step 2: Convert to fraction form
15,363,492.44/21,201,368.75 = 8,394,020.00/x - Step 3: Cross multiply
15,363,492.44x = 21,201,368.75 × 8,394,020.00 - Step 4: Simplify right side
15,363,492.44x = 177,964,713,216,234.47 - Step 5: Solve for x
x = 177,964,713,216,234.47/15,363,492.44 - Step 6: Final answer
x = 11,583,610.56
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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.