Finding the Fourth Proportional to 8,777,927.36, 12,113,052.49 and 4,909,701.17
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Solution
The fourth proportional to 8,777,927.36, 12,113,052.49 and 4,909,701.17 is: 6,775,115.07
Step by Step Solution
- Step 1: Write the proportion equation
8,777,927.36 : 12,113,052.49 = 4,909,701.17 : x - Step 2: Convert to fraction form
8,777,927.36/12,113,052.49 = 4,909,701.17/x - Step 3: Cross multiply
8,777,927.36x = 12,113,052.49 × 4,909,701.17 - Step 4: Simplify right side
8,777,927.36x = 59,471,467,982,424.41 - Step 5: Solve for x
x = 59,471,467,982,424.41/8,777,927.36 - Step 6: Final answer
x = 6,775,115.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.