Finding the Fourth Proportional to 34,702,491.30, 47,889,442.53 and 19,233,574.62
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Solution
The fourth proportional to 34,702,491.30, 47,889,442.53 and 19,233,574.62 is: 26,542,335.49
Step by Step Solution
- Step 1: Write the proportion equation
34,702,491.30 : 47,889,442.53 = 19,233,574.62 : x - Step 2: Convert to fraction form
34,702,491.30/47,889,442.53 = 19,233,574.62/x - Step 3: Cross multiply
34,702,491.30x = 47,889,442.53 × 19,233,574.62 - Step 4: Simplify right side
34,702,491.30x = 921,085,166,410,956.62 - Step 5: Solve for x
x = 921,085,166,410,956.62/34,702,491.30 - Step 6: Final answer
x = 26,542,335.49
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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.