Finding the Fourth Proportional to 34,166,618.80, 47,149,929.44 and 18,696,705.28
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Solution
The fourth proportional to 34,166,618.80, 47,149,929.44 and 18,696,705.28 is: 25,801,450.82
Step by Step Solution
- Step 1: Write the proportion equation
34,166,618.80 : 47,149,929.44 = 18,696,705.28 : x - Step 2: Convert to fraction form
34,166,618.80/47,149,929.44 = 18,696,705.28/x - Step 3: Cross multiply
34,166,618.80x = 47,149,929.44 × 18,696,705.28 - Step 4: Simplify right side
34,166,618.80x = 881,548,334,712,475.50 - Step 5: Solve for x
x = 881,548,334,712,475.50/34,166,618.80 - Step 6: Final answer
x = 25,801,450.82
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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.