Finding the Fourth Proportional to 22,495,930.84, 31,052,536.20 and 14,763,476.44
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Solution
The fourth proportional to 22,495,930.84, 31,052,536.20 and 14,763,476.44 is: 20,378,947.19
Step by Step Solution
- Step 1: Write the proportion equation
22,495,930.84 : 31,052,536.20 = 14,763,476.44 : x - Step 2: Convert to fraction form
22,495,930.84/31,052,536.20 = 14,763,476.44/x - Step 3: Cross multiply
22,495,930.84x = 31,052,536.20 × 14,763,476.44 - Step 4: Simplify right side
22,495,930.84x = 458,443,386,590,947.12 - Step 5: Solve for x
x = 458,443,386,590,947.12/22,495,930.84 - Step 6: Final answer
x = 20,378,947.19
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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.