Finding the Fourth Proportional to 10,289,030.71, 15,433,553.07 and 2,613,251.20
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Solution
The fourth proportional to 10,289,030.71, 15,433,553.07 and 2,613,251.20 is: 3,919,878.58
Step by Step Solution
- Step 1: Write the proportion equation
10,289,030.71 : 15,433,553.07 = 2,613,251.20 : x - Step 2: Convert to fraction form
10,289,030.71/15,433,553.07 = 2,613,251.20/x - Step 3: Cross multiply
10,289,030.71x = 15,433,553.07 × 2,613,251.20 - Step 4: Simplify right side
10,289,030.71x = 40,331,751,041,744.09 - Step 5: Solve for x
x = 40,331,751,041,744.09/10,289,030.71 - Step 6: Final answer
x = 3,919,878.58
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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.