Finding the Fourth Proportional to 26,508,382.79, 36,581,786.19 and 14,905,844.78
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Solution
The fourth proportional to 26,508,382.79, 36,581,786.19 and 14,905,844.78 is: 20,570,188.34
Step by Step Solution
- Step 1: Write the proportion equation
26,508,382.79 : 36,581,786.19 = 14,905,844.78 : x - Step 2: Convert to fraction form
26,508,382.79/36,581,786.19 = 14,905,844.78/x - Step 3: Cross multiply
26,508,382.79x = 36,581,786.19 × 14,905,844.78 - Step 4: Simplify right side
26,508,382.79x = 545,282,426,540,378.62 - Step 5: Solve for x
x = 545,282,426,540,378.62/26,508,382.79 - Step 6: Final answer
x = 20,570,188.34
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Double scale
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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.