Finding the Fourth Proportional to 10,347,862.70, 15,521,794.05 and 9,883,376.30
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Solution
The fourth proportional to 10,347,862.70, 15,521,794.05 and 9,883,376.30 is: 14,825,064.45
Step by Step Solution
- Step 1: Write the proportion equation
10,347,862.70 : 15,521,794.05 = 9,883,376.30 : x - Step 2: Convert to fraction form
10,347,862.70/15,521,794.05 = 9,883,376.30/x - Step 3: Cross multiply
10,347,862.70x = 15,521,794.05 × 9,883,376.30 - Step 4: Simplify right side
10,347,862.70x = 153,407,731,447,251.03 - Step 5: Solve for x
x = 153,407,731,447,251.03/10,347,862.70 - Step 6: Final answer
x = 14,825,064.45
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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.