Finding the Fourth Proportional to 38,881,154.18, 53,657,621.79 and 22,361,289.95
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Solution
The fourth proportional to 38,881,154.18, 53,657,621.79 and 22,361,289.95 is: 30,859,517.01
Step by Step Solution
- Step 1: Write the proportion equation
38,881,154.18 : 53,657,621.79 = 22,361,289.95 : x - Step 2: Convert to fraction form
38,881,154.18/53,657,621.79 = 22,361,289.95/x - Step 3: Cross multiply
38,881,154.18x = 53,657,621.79 × 22,361,289.95 - Step 4: Simplify right side
38,881,154.18x = 1,199,853,638,873,628 - Step 5: Solve for x
x = 1,199,853,638,873,628/38,881,154.18 - Step 6: Final answer
x = 30,859,517.01
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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.