Finding the Fourth Proportional to 14,242,716.15, 21,338,387.91 and 8,768,283.36
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Solution
The fourth proportional to 14,242,716.15, 21,338,387.91 and 8,768,283.36 is: 13,136,611.70
Step by Step Solution
- Step 1: Write the proportion equation
14,242,716.15 : 21,338,387.91 = 8,768,283.36 : x - Step 2: Convert to fraction form
14,242,716.15/21,338,387.91 = 8,768,283.36/x - Step 3: Cross multiply
14,242,716.15x = 21,338,387.91 × 8,768,283.36 - Step 4: Simplify right side
14,242,716.15x = 187,101,031,640,478.16 - Step 5: Solve for x
x = 187,101,031,640,478.16/14,242,716.15 - Step 6: Final answer
x = 13,136,611.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.