Finding the Fourth Proportional to 9,145,873.08, 12,620,737.98 and 5,071,492.08
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Solution
The fourth proportional to 9,145,873.08, 12,620,737.98 and 5,071,492.08 is: 6,998,344.73
Step by Step Solution
- Step 1: Write the proportion equation
9,145,873.08 : 12,620,737.98 = 5,071,492.08 : x - Step 2: Convert to fraction form
9,145,873.08/12,620,737.98 = 5,071,492.08/x - Step 3: Cross multiply
9,145,873.08x = 12,620,737.98 × 5,071,492.08 - Step 4: Simplify right side
9,145,873.08x = 64,005,972,709,325.20 - Step 5: Solve for x
x = 64,005,972,709,325.20/9,145,873.08 - Step 6: Final answer
x = 6,998,344.73
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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.