Finding the Fourth Proportional to 13,668,638.99, 20,483,292.60 and 5,885,416.62
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Solution
The fourth proportional to 13,668,638.99, 20,483,292.60 and 5,885,416.62 is: 8,819,657.23
Step by Step Solution
- Step 1: Write the proportion equation
13,668,638.99 : 20,483,292.60 = 5,885,416.62 : x - Step 2: Convert to fraction form
13,668,638.99/20,483,292.60 = 5,885,416.62/x - Step 3: Cross multiply
13,668,638.99x = 20,483,292.60 × 5,885,416.62 - Step 4: Simplify right side
13,668,638.99x = 120,552,710,700,363.02 - Step 5: Solve for x
x = 120,552,710,700,363.02/13,668,638.99 - Step 6: Final answer
x = 8,819,657.23
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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.