Finding the Fourth Proportional to 14,660,496.90, 21,976,748.55 and 11,420,237.70
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Solution
The fourth proportional to 14,660,496.90, 21,976,748.55 and 11,420,237.70 is: 17,119,453.32
Step by Step Solution
- Step 1: Write the proportion equation
14,660,496.90 : 21,976,748.55 = 11,420,237.70 : x - Step 2: Convert to fraction form
14,660,496.90/21,976,748.55 = 11,420,237.70/x - Step 3: Cross multiply
14,660,496.90x = 21,976,748.55 × 11,420,237.70 - Step 4: Simplify right side
14,660,496.90x = 250,979,692,314,130.31 - Step 5: Solve for x
x = 250,979,692,314,130.31/14,660,496.90 - Step 6: Final answer
x = 17,119,453.32
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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.