Finding the Fourth Proportional to 42,497,365.70, 63,746,048.55 and 13,764,122.30
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Solution
The fourth proportional to 42,497,365.70, 63,746,048.55 and 13,764,122.30 is: 20,646,183.45
Step by Step Solution
- Step 1: Write the proportion equation
42,497,365.70 : 63,746,048.55 = 13,764,122.30 : x - Step 2: Convert to fraction form
42,497,365.70/63,746,048.55 = 13,764,122.30/x - Step 3: Cross multiply
42,497,365.70x = 63,746,048.55 × 13,764,122.30 - Step 4: Simplify right side
42,497,365.70x = 877,408,408,383,937.62 - Step 5: Solve for x
x = 877,408,408,383,937.62/42,497,365.70 - Step 6: Final answer
x = 20,646,183.45
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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.