Finding the Fourth Proportional to 43,972,574.44, 65,968,994.92 and 15,218,710.38
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Solution
The fourth proportional to 43,972,574.44, 65,968,994.92 and 15,218,710.38 is: 22,831,572.65
Step by Step Solution
- Step 1: Write the proportion equation
43,972,574.44 : 65,968,994.92 = 15,218,710.38 : x - Step 2: Convert to fraction form
43,972,574.44/65,968,994.92 = 15,218,710.38/x - Step 3: Cross multiply
43,972,574.44x = 65,968,994.92 × 15,218,710.38 - Step 4: Simplify right side
43,972,574.44x = 1,003,963,027,747,171.38 - Step 5: Solve for x
x = 1,003,963,027,747,171.38/43,972,574.44 - Step 6: Final answer
x = 22,831,572.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.