Finding the Fourth Proportional to 26,731,835.64, 36,889,968.78 and 14,508,694.20
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Solution
The fourth proportional to 26,731,835.64, 36,889,968.78 and 14,508,694.20 is: 20,022,017.32
Step by Step Solution
- Step 1: Write the proportion equation
26,731,835.64 : 36,889,968.78 = 14,508,694.20 : x - Step 2: Convert to fraction form
26,731,835.64/36,889,968.78 = 14,508,694.20/x - Step 3: Cross multiply
26,731,835.64x = 36,889,968.78 × 14,508,694.20 - Step 4: Simplify right side
26,731,835.64x = 535,225,276,076,567.06 - Step 5: Solve for x
x = 535,225,276,076,567.06/26,731,835.64 - Step 6: Final answer
x = 20,022,017.32
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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.