Finding the Fourth Proportional to 22,880,107.39, 31,566,863.95 and 12,955,637.47
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Solution
The fourth proportional to 22,880,107.39, 31,566,863.95 and 12,955,637.47 is: 17,874,428.58
Step by Step Solution
- Step 1: Write the proportion equation
22,880,107.39 : 31,566,863.95 = 12,955,637.47 : x - Step 2: Convert to fraction form
22,880,107.39/31,566,863.95 = 12,955,637.47/x - Step 3: Cross multiply
22,880,107.39x = 31,566,863.95 × 12,955,637.47 - Step 4: Simplify right side
22,880,107.39x = 408,968,845,401,012.19 - Step 5: Solve for x
x = 408,968,845,401,012.19/22,880,107.39 - Step 6: Final answer
x = 17,874,428.58
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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.