Finding the Fourth Proportional to 26,731,837.14, 36,889,970.85 and 14,508,695.70
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Solution
The fourth proportional to 26,731,837.14, 36,889,970.85 and 14,508,695.70 is: 20,022,019.39
Step by Step Solution
- Step 1: Write the proportion equation
26,731,837.14 : 36,889,970.85 = 14,508,695.70 : x - Step 2: Convert to fraction form
26,731,837.14/36,889,970.85 = 14,508,695.70/x - Step 3: Cross multiply
26,731,837.14x = 36,889,970.85 × 14,508,695.70 - Step 4: Simplify right side
26,731,837.14x = 535,225,361,444,520.31 - Step 5: Solve for x
x = 535,225,361,444,520.31/26,731,837.14 - Step 6: Final answer
x = 20,022,019.39
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1.5x scale
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.