Finding the Fourth Proportional to 15,084,537.86, 20,817,347.73 and 8,889,846.02
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Solution
The fourth proportional to 15,084,537.86, 20,817,347.73 and 8,889,846.02 is: 12,268,391.49
Step by Step Solution
- Step 1: Write the proportion equation
15,084,537.86 : 20,817,347.73 = 8,889,846.02 : x - Step 2: Convert to fraction form
15,084,537.86/20,817,347.73 = 8,889,846.02/x - Step 3: Cross multiply
15,084,537.86x = 20,817,347.73 × 8,889,846.02 - Step 4: Simplify right side
15,084,537.86x = 185,063,015,864,496.53 - Step 5: Solve for x
x = 185,063,015,864,496.53/15,084,537.86 - Step 6: Final answer
x = 12,268,391.49
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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.