Finding the Fourth Proportional to 34,623,964, 47,782,477.20 and 19,153,781.92
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Solution
The fourth proportional to 34,623,964, 47,782,477.20 and 19,153,781.92 is: 26,432,997.33
Step by Step Solution
- Step 1: Write the proportion equation
34,623,964 : 47,782,477.20 = 19,153,781.92 : x - Step 2: Convert to fraction form
34,623,964/47,782,477.20 = 19,153,781.92/x - Step 3: Cross multiply
34,623,964x = 47,782,477.20 × 19,153,781.92 - Step 4: Simplify right side
34,623,964x = 915,215,147,886,172.38 - Step 5: Solve for x
x = 915,215,147,886,172.38/34,623,964 - Step 6: Final answer
x = 26,432,997.33
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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.