Finding the Fourth Proportional to 10,139,568.62, 15,135,594.95 and 9,390,236.81
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Solution
The fourth proportional to 10,139,568.62, 15,135,594.95 and 9,390,236.81 is: 14,017,048.07
Step by Step Solution
- Step 1: Write the proportion equation
10,139,568.62 : 15,135,594.95 = 9,390,236.81 : x - Step 2: Convert to fraction form
10,139,568.62/15,135,594.95 = 9,390,236.81/x - Step 3: Cross multiply
10,139,568.62x = 15,135,594.95 × 9,390,236.81 - Step 4: Simplify right side
10,139,568.62x = 142,126,820,718,110.94 - Step 5: Solve for x
x = 142,126,820,718,110.94/10,139,568.62 - Step 6: Final answer
x = 14,017,048.07
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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.