Finding the Fourth Proportional to 13,510,452.64, 18,644,484.24 and 7,398,923.68
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Solution
The fourth proportional to 13,510,452.64, 18,644,484.24 and 7,398,923.68 is: 10,210,547.32
Step by Step Solution
- Step 1: Write the proportion equation
13,510,452.64 : 18,644,484.24 = 7,398,923.68 : x - Step 2: Convert to fraction form
13,510,452.64/18,644,484.24 = 7,398,923.68/x - Step 3: Cross multiply
13,510,452.64x = 18,644,484.24 × 7,398,923.68 - Step 4: Simplify right side
13,510,452.64x = 137,949,115,944,722.78 - Step 5: Solve for x
x = 137,949,115,944,722.78/13,510,452.64 - Step 6: Final answer
x = 10,210,547.32
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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.