Finding the Fourth Proportional to 15,445,447.29, 23,031,708.62 and 15,306,815.88
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Solution
The fourth proportional to 15,445,447.29, 23,031,708.62 and 15,306,815.88 is: 22,824,986.32
Step by Step Solution
- Step 1: Write the proportion equation
15,445,447.29 : 23,031,708.62 = 15,306,815.88 : x - Step 2: Convert to fraction form
15,445,447.29/23,031,708.62 = 15,306,815.88/x - Step 3: Cross multiply
15,445,447.29x = 23,031,708.62 × 15,306,815.88 - Step 4: Simplify right side
15,445,447.29x = 352,542,123,171,614.81 - Step 5: Solve for x
x = 352,542,123,171,614.81/15,445,447.29 - Step 6: Final answer
x = 22,824,986.32
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.