Finding the Fourth Proportional to 20,134,237.11, 30,195,843.68 and 5,557,671.99
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Solution
The fourth proportional to 20,134,237.11, 30,195,843.68 and 5,557,671.99 is: 8,334,986.51
Step by Step Solution
- Step 1: Write the proportion equation
20,134,237.11 : 30,195,843.68 = 5,557,671.99 : x - Step 2: Convert to fraction form
20,134,237.11/30,195,843.68 = 5,557,671.99/x - Step 3: Cross multiply
20,134,237.11x = 30,195,843.68 × 5,557,671.99 - Step 4: Simplify right side
20,134,237.11x = 167,818,594,606,966.19 - Step 5: Solve for x
x = 167,818,594,606,966.19/20,134,237.11 - Step 6: Final answer
x = 8,334,986.51
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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.