Finding the Fourth Proportional to 19,822,298.32, 29,727,695.88 and 8,307,464.68
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Solution
The fourth proportional to 19,822,298.32, 29,727,695.88 and 8,307,464.68 is: 12,458,786.54
Step by Step Solution
- Step 1: Write the proportion equation
19,822,298.32 : 29,727,695.88 = 8,307,464.68 : x - Step 2: Convert to fraction form
19,822,298.32/29,727,695.88 = 8,307,464.68/x - Step 3: Cross multiply
19,822,298.32x = 29,727,695.88 × 8,307,464.68 - Step 4: Simplify right side
19,822,298.32x = 246,961,783,540,881.50 - Step 5: Solve for x
x = 246,961,783,540,881.50/19,822,298.32 - Step 6: Final answer
x = 12,458,786.54
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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.