Finding the Fourth Proportional to 26,731,378.70, 36,889,318.83 and 14,508,235.58
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Solution
The fourth proportional to 26,731,378.70, 36,889,318.83 and 14,508,235.58 is: 20,021,373.91
Step by Step Solution
- Step 1: Write the proportion equation
26,731,378.70 : 36,889,318.83 = 14,508,235.58 : x - Step 2: Convert to fraction form
26,731,378.70/36,889,318.83 = 14,508,235.58/x - Step 3: Cross multiply
26,731,378.70x = 36,889,318.83 × 14,508,235.58 - Step 4: Simplify right side
26,731,378.70x = 535,198,927,971,369.94 - Step 5: Solve for x
x = 535,198,927,971,369.94/26,731,378.70 - Step 6: Final answer
x = 20,021,373.91
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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.