Finding the Fourth Proportional to 13,323,965.80, 19,973,701.98 and 4,802,216.68
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Solution
The fourth proportional to 13,323,965.80, 19,973,701.98 and 4,802,216.68 is: 7,198,911.06
Step by Step Solution
- Step 1: Write the proportion equation
13,323,965.80 : 19,973,701.98 = 4,802,216.68 : x - Step 2: Convert to fraction form
13,323,965.80/19,973,701.98 = 4,802,216.68/x - Step 3: Cross multiply
13,323,965.80x = 19,973,701.98 × 4,802,216.68 - Step 4: Simplify right side
13,323,965.80x = 95,918,044,809,705.02 - Step 5: Solve for x
x = 95,918,044,809,705.02/13,323,965.80 - Step 6: Final answer
x = 7,198,911.06
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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.