Finding the Fourth Proportional to 13,460,490.84, 20,186,501.16 and 4,360,476.98
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Solution
The fourth proportional to 13,460,490.84, 20,186,501.16 and 4,360,476.98 is: 6,539,343.52
Step by Step Solution
- Step 1: Write the proportion equation
13,460,490.84 : 20,186,501.16 = 4,360,476.98 : x - Step 2: Convert to fraction form
13,460,490.84/20,186,501.16 = 4,360,476.98/x - Step 3: Cross multiply
13,460,490.84x = 20,186,501.16 × 4,360,476.98 - Step 4: Simplify right side
13,460,490.84x = 88,022,773,614,923.31 - Step 5: Solve for x
x = 88,022,773,614,923.31/13,460,490.84 - Step 6: Final answer
x = 6,539,343.52
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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.