Finding the Fourth Proportional to 26,381,479.87, 39,571,905.88 and 14,867,815.87
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Solution
The fourth proportional to 26,381,479.87, 39,571,905.88 and 14,867,815.87 is: 22,301,546.89
Step by Step Solution
- Step 1: Write the proportion equation
26,381,479.87 : 39,571,905.88 = 14,867,815.87 : x - Step 2: Convert to fraction form
26,381,479.87/39,571,905.88 = 14,867,815.87/x - Step 3: Cross multiply
26,381,479.87x = 39,571,905.88 × 14,867,815.87 - Step 4: Simplify right side
26,381,479.87x = 588,347,810,168,465.38 - Step 5: Solve for x
x = 588,347,810,168,465.38/26,381,479.87 - Step 6: Final answer
x = 22,301,546.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.