Finding the Fourth Proportional to 54,207,768.51, 81,311,650.56 and 15,869,282.49
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Solution
The fourth proportional to 54,207,768.51, 81,311,650.56 and 15,869,282.49 is: 23,803,923.09
Step by Step Solution
- Step 1: Write the proportion equation
54,207,768.51 : 81,311,650.56 = 15,869,282.49 : x - Step 2: Convert to fraction form
54,207,768.51/81,311,650.56 = 15,869,282.49/x - Step 3: Cross multiply
54,207,768.51x = 81,311,650.56 × 15,869,282.49 - Step 4: Simplify right side
54,207,768.51x = 1,290,357,552,464,806.75 - Step 5: Solve for x
x = 1,290,357,552,464,806.75/54,207,768.51 - Step 6: Final answer
x = 23,803,923.09
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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.