Finding the Fourth Proportional to 8,151,555.68, 11,249,262.35 and 4,480,811.65
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Solution
The fourth proportional to 8,151,555.68, 11,249,262.35 and 4,480,811.65 is: 6,183,583.57
Step by Step Solution
- Step 1: Write the proportion equation
8,151,555.68 : 11,249,262.35 = 4,480,811.65 : x - Step 2: Convert to fraction form
8,151,555.68/11,249,262.35 = 4,480,811.65/x - Step 3: Cross multiply
8,151,555.68x = 11,249,262.35 × 4,480,811.65 - Step 4: Simplify right side
8,151,555.68x = 50,405,825,791,786.38 - Step 5: Solve for x
x = 50,405,825,791,786.38/8,151,555.68 - Step 6: Final answer
x = 6,183,583.57
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1.5x scale
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.