Finding the Fourth Proportional to 29,461,554.36, 40,658,206.91 and 16,408,816.65
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Solution
The fourth proportional to 29,461,554.36, 40,658,206.91 and 16,408,816.65 is: 22,644,869.79
Step by Step Solution
- Step 1: Write the proportion equation
29,461,554.36 : 40,658,206.91 = 16,408,816.65 : x - Step 2: Convert to fraction form
29,461,554.36/40,658,206.91 = 16,408,816.65/x - Step 3: Cross multiply
29,461,554.36x = 40,658,206.91 × 16,408,816.65 - Step 4: Simplify right side
29,461,554.36x = 667,153,062,421,909 - Step 5: Solve for x
x = 667,153,062,421,909/29,461,554.36 - Step 6: Final answer
x = 22,644,869.79
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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.