Finding the Fourth Proportional to 7,129,257.80, 10,693,886.70 and 5,948,277.80
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Solution
The fourth proportional to 7,129,257.80, 10,693,886.70 and 5,948,277.80 is: 8,922,416.70
Step by Step Solution
- Step 1: Write the proportion equation
7,129,257.80 : 10,693,886.70 = 5,948,277.80 : x - Step 2: Convert to fraction form
7,129,257.80/10,693,886.70 = 5,948,277.80/x - Step 3: Cross multiply
7,129,257.80x = 10,693,886.70 × 5,948,277.80 - Step 4: Simplify right side
7,129,257.80x = 63,610,208,853,325.25 - Step 5: Solve for x
x = 63,610,208,853,325.25/7,129,257.80 - Step 6: Final answer
x = 8,922,416.70
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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.