Finding the Fourth Proportional to 19,408,521.78, 29,107,800.36 and 5,758,439.04
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Solution
The fourth proportional to 19,408,521.78, 29,107,800.36 and 5,758,439.04 is: 8,636,180.33
Step by Step Solution
- Step 1: Write the proportion equation
19,408,521.78 : 29,107,800.36 = 5,758,439.04 : x - Step 2: Convert to fraction form
19,408,521.78/29,107,800.36 = 5,758,439.04/x - Step 3: Cross multiply
19,408,521.78x = 29,107,800.36 × 5,758,439.04 - Step 4: Simplify right side
19,408,521.78x = 167,615,493,961,550.06 - Step 5: Solve for x
x = 167,615,493,961,550.06/19,408,521.78 - Step 6: Final answer
x = 8,636,180.33
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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.