Finding the Fourth Proportional to 45,840,579.77, 68,753,394.77 and 13,484,915.12
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Solution
The fourth proportional to 45,840,579.77, 68,753,394.77 and 13,484,915.12 is: 20,225,173.79
Step by Step Solution
- Step 1: Write the proportion equation
45,840,579.77 : 68,753,394.77 = 13,484,915.12 : x - Step 2: Convert to fraction form
45,840,579.77/68,753,394.77 = 13,484,915.12/x - Step 3: Cross multiply
45,840,579.77x = 68,753,394.77 × 13,484,915.12 - Step 4: Simplify right side
45,840,579.77x = 927,133,692,274,110.38 - Step 5: Solve for x
x = 927,133,692,274,110.38/45,840,579.77 - Step 6: Final answer
x = 20,225,173.79
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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.