Finding the Fourth Proportional to 47,480,346.48, 71,183,313.99 and 18,747,988.77
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Solution
The fourth proportional to 47,480,346.48, 71,183,313.99 and 18,747,988.77 is: 28,107,292.18
Step by Step Solution
- Step 1: Write the proportion equation
47,480,346.48 : 71,183,313.99 = 18,747,988.77 : x - Step 2: Convert to fraction form
47,480,346.48/71,183,313.99 = 18,747,988.77/x - Step 3: Cross multiply
47,480,346.48x = 71,183,313.99 × 18,747,988.77 - Step 4: Simplify right side
47,480,346.48x = 1,334,543,971,295,903.75 - Step 5: Solve for x
x = 1,334,543,971,295,903.75/47,480,346.48 - Step 6: Final answer
x = 28,107,292.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.