Finding the Fourth Proportional to 7,817,851.76, 11,726,610.72 and 2,138,076.08
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Solution
The fourth proportional to 7,817,851.76, 11,726,610.72 and 2,138,076.08 is: 3,207,068.47
Step by Step Solution
- Step 1: Write the proportion equation
7,817,851.76 : 11,726,610.72 = 2,138,076.08 : x - Step 2: Convert to fraction form
7,817,851.76/11,726,610.72 = 2,138,076.08/x - Step 3: Cross multiply
7,817,851.76x = 11,726,610.72 × 2,138,076.08 - Step 4: Simplify right side
7,817,851.76x = 25,072,385,879,903.58 - Step 5: Solve for x
x = 25,072,385,879,903.58/7,817,851.76 - Step 6: Final answer
x = 3,207,068.47
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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.