Finding the Fourth Proportional to 14,728,173.03, 20,314,409.18 and 9,830,925.99
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Solution
The fourth proportional to 14,728,173.03, 20,314,409.18 and 9,830,925.99 is: 13,559,689.50
Step by Step Solution
- Step 1: Write the proportion equation
14,728,173.03 : 20,314,409.18 = 9,830,925.99 : x - Step 2: Convert to fraction form
14,728,173.03/20,314,409.18 = 9,830,925.99/x - Step 3: Cross multiply
14,728,173.03x = 20,314,409.18 × 9,830,925.99 - Step 4: Simplify right side
14,728,173.03x = 199,709,453,130,001.97 - Step 5: Solve for x
x = 199,709,453,130,001.97/14,728,173.03 - Step 6: Final answer
x = 13,559,689.50
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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.