Finding the Fourth Proportional to 12,738,823.04, 17,579,453.46 and 6,937,701.68
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Solution
The fourth proportional to 12,738,823.04, 17,579,453.46 and 6,937,701.68 is: 9,573,961.69
Step by Step Solution
- Step 1: Write the proportion equation
12,738,823.04 : 17,579,453.46 = 6,937,701.68 : x - Step 2: Convert to fraction form
12,738,823.04/17,579,453.46 = 6,937,701.68/x - Step 3: Cross multiply
12,738,823.04x = 17,579,453.46 × 6,937,701.68 - Step 4: Simplify right side
12,738,823.04x = 121,961,003,802,923.81 - Step 5: Solve for x
x = 121,961,003,802,923.81/12,738,823.04 - Step 6: Final answer
x = 9,573,961.69
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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.