Finding the Fourth Proportional to 26,638,946.28, 36,761,744.70 and 14,415,803.28
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Solution
The fourth proportional to 26,638,946.28, 36,761,744.70 and 14,415,803.28 is: 19,893,807.90
Step by Step Solution
- Step 1: Write the proportion equation
26,638,946.28 : 36,761,744.70 = 14,415,803.28 : x - Step 2: Convert to fraction form
26,638,946.28/36,761,744.70 = 14,415,803.28/x - Step 3: Cross multiply
26,638,946.28x = 36,761,744.70 × 14,415,803.28 - Step 4: Simplify right side
26,638,946.28x = 529,950,079,824,782.62 - Step 5: Solve for x
x = 529,950,079,824,782.62/26,638,946.28 - Step 6: Final answer
x = 19,893,807.90
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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.