Finding the Fourth Proportional to 30,408,370.72, 41,963,559.04 and 16,657,823.68
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Solution
The fourth proportional to 30,408,370.72, 41,963,559.04 and 16,657,823.68 is: 22,987,800.76
Step by Step Solution
- Step 1: Write the proportion equation
30,408,370.72 : 41,963,559.04 = 16,657,823.68 : x - Step 2: Convert to fraction form
30,408,370.72/41,963,559.04 = 16,657,823.68/x - Step 3: Cross multiply
30,408,370.72x = 41,963,559.04 × 16,657,823.68 - Step 4: Simplify right side
30,408,370.72x = 699,021,567,473,590 - Step 5: Solve for x
x = 699,021,567,473,590/30,408,370.72 - Step 6: Final answer
x = 22,987,800.76
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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.