Finding the Fourth Proportional to 21,853,402.65, 30,157,625.01 and 11,930,407.99
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Solution
The fourth proportional to 21,853,402.65, 30,157,625.01 and 11,930,407.99 is: 16,463,924.46
Step by Step Solution
- Step 1: Write the proportion equation
21,853,402.65 : 30,157,625.01 = 11,930,407.99 : x - Step 2: Convert to fraction form
21,853,402.65/30,157,625.01 = 11,930,407.99/x - Step 3: Cross multiply
21,853,402.65x = 30,157,625.01 × 11,930,407.99 - Step 4: Simplify right side
21,853,402.65x = 359,792,770,506,000.81 - Step 5: Solve for x
x = 359,792,770,506,000.81/21,853,402.65 - Step 6: Final answer
x = 16,463,924.46
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.