Finding the Fourth Proportional to 40,482,246.80, 55,866,130.44 and 22,147,838.48
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Solution
The fourth proportional to 40,482,246.80, 55,866,130.44 and 22,147,838.48 is: 30,564,361.70
Step by Step Solution
- Step 1: Write the proportion equation
40,482,246.80 : 55,866,130.44 = 22,147,838.48 : x - Step 2: Convert to fraction form
40,482,246.80/55,866,130.44 = 22,147,838.48/x - Step 3: Cross multiply
40,482,246.80x = 55,866,130.44 × 22,147,838.48 - Step 4: Simplify right side
40,482,246.80x = 1,237,314,033,487,731.25 - Step 5: Solve for x
x = 1,237,314,033,487,731.25/40,482,246.80 - Step 6: Final answer
x = 30,564,361.70
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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.