Finding the Fourth Proportional to 26,630,713.08, 36,750,021.12 and 14,870,162.88
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Solution
The fourth proportional to 26,630,713.08, 36,750,021.12 and 14,870,162.88 is: 20,520,622.12
Step by Step Solution
- Step 1: Write the proportion equation
26,630,713.08 : 36,750,021.12 = 14,870,162.88 : x - Step 2: Convert to fraction form
26,630,713.08/36,750,021.12 = 14,870,162.88/x - Step 3: Cross multiply
26,630,713.08x = 36,750,021.12 × 14,870,162.88 - Step 4: Simplify right side
26,630,713.08x = 546,478,799,897,840 - Step 5: Solve for x
x = 546,478,799,897,840/26,630,713.08 - Step 6: Final answer
x = 20,520,622.12
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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.