Finding the Fourth Proportional to 10,306,176.60, 15,465,169.80 and 3,921,011.40
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Solution
The fourth proportional to 10,306,176.60, 15,465,169.80 and 3,921,011.40 is: 5,883,763.63
Step by Step Solution
- Step 1: Write the proportion equation
10,306,176.60 : 15,465,169.80 = 3,921,011.40 : x - Step 2: Convert to fraction form
10,306,176.60/15,465,169.80 = 3,921,011.40/x - Step 3: Cross multiply
10,306,176.60x = 15,465,169.80 × 3,921,011.40 - Step 4: Simplify right side
10,306,176.60x = 60,639,107,088,735.72 - Step 5: Solve for x
x = 60,639,107,088,735.72/10,306,176.60 - Step 6: Final answer
x = 5,883,763.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.