Finding the Fourth Proportional to 34,148,477.02, 47,123,896.35 and 18,678,227.08
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Solution
The fourth proportional to 34,148,477.02, 47,123,896.35 and 18,678,227.08 is: 25,775,405.34
Step by Step Solution
- Step 1: Write the proportion equation
34,148,477.02 : 47,123,896.35 = 18,678,227.08 : x - Step 2: Convert to fraction form
34,148,477.02/47,123,896.35 = 18,678,227.08/x - Step 3: Cross multiply
34,148,477.02x = 47,123,896.35 × 18,678,227.08 - Step 4: Simplify right side
34,148,477.02x = 880,190,836,919,683.12 - Step 5: Solve for x
x = 880,190,836,919,683.12/34,148,477.02 - Step 6: Final answer
x = 25,775,405.34
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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.