Finding the Fourth Proportional to 10,330,729.29, 14,252,555.75 and 6,461,780.49
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Solution
The fourth proportional to 10,330,729.29, 14,252,555.75 and 6,461,780.49 is: 8,914,848.51
Step by Step Solution
- Step 1: Write the proportion equation
10,330,729.29 : 14,252,555.75 = 6,461,780.49 : x - Step 2: Convert to fraction form
10,330,729.29/14,252,555.75 = 6,461,780.49/x - Step 3: Cross multiply
10,330,729.29x = 14,252,555.75 × 6,461,780.49 - Step 4: Simplify right side
10,330,729.29x = 92,096,886,645,678.41 - Step 5: Solve for x
x = 92,096,886,645,678.41/10,330,729.29 - Step 6: Final answer
x = 8,914,848.51
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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.