Finding the Fourth Proportional to 38,497,630.30, 57,753,728.58 and 15,470,357.38
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Solution
The fourth proportional to 38,497,630.30, 57,753,728.58 and 15,470,357.38 is: 23,208,462.81
Step by Step Solution
- Step 1: Write the proportion equation
38,497,630.30 : 57,753,728.58 = 15,470,357.38 : x - Step 2: Convert to fraction form
38,497,630.30/57,753,728.58 = 15,470,357.38/x - Step 3: Cross multiply
38,497,630.30x = 57,753,728.58 × 15,470,357.38 - Step 4: Simplify right side
38,497,630.30x = 893,470,821,160,120 - Step 5: Solve for x
x = 893,470,821,160,120/38,497,630.30 - Step 6: Final answer
x = 23,208,462.81
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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.